{"product_id":"vintage-starrett-protractor-head-420-pr-1224-7-round-measuring-tools-machinist","title":"Vintage Starrett Protractor Head 420 PR-1224 7\" Round Measuring Tools Machinist","description":"\u003cdiv class=\"n6owBd awi2gc\" color=\"\"\u003e\n\u003cspan color=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\" color=\"\"\u003e\n\u003cspan color=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\" color=\"\"\u003e\n\u003cspan color=\"\"\u003evintage \u003c\/span\u003e\u003cmark class=\"MAeH\" color=\"\"\u003e\u003cstrong class=\"rQesXe MPyX\" color=\"\"\u003e\u003cspan class=\"\" color=\"\"\u003e\u003ca class=\"H23r4e\" rel=\"noopener\" href=\"https:\/\/www.starrett.com\/products\/precision-measuring-tools\/precision-hand-tools\/squares\/combination-square-accessories\/CPR-1224S\" color=\"\" target=\"_blank\"\u003e\u003cspan class=\"iNqyIf\" color=\"\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan color=\"\"\u003e\u003ca class=\"H23r4e\" rel=\"noopener\" href=\"https:\/\/www.starrett.com\/products\/precision-measuring-tools\/precision-hand-tools\/squares\/combination-square-accessories\/CPR-1224S\" color=\"\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca class=\"H23r4e\" rel=\"noopener\" href=\"https:\/\/www.starrett.com\/products\/precision-measuring-tools\/precision-hand-tools\/squares\/combination-square-accessories\/CPR-1224S\" color=\"\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca class=\"H23r4e\" rel=\"noopener\" href=\"https:\/\/www.starrett.com\/products\/precision-measuring-tools\/precision-hand-tools\/squares\/combination-square-accessories\/CPR-1224S\" color=\"\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca class=\"H23r4e\" rel=\"noopener\" href=\"https:\/\/www.starrett.com\/products\/precision-measuring-tools\/precision-hand-tools\/squares\/combination-square-accessories\/CPR-1224S\" color=\"\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca class=\"SmjhRb bqYA2d\" role=\"link\" id=\"pvlinkkNSSarirEN3OkPIPmN6woAI_1\" href=\"https:\/\/www.google.com\/search?ibp=oshop\u0026amp;prds=pvt:hg,pvo:48,mid:576462859583744055,imageDocid:807989148637063454,gpcid:12582580856989197836,headlineOfferDocid:720160645240560395,catalogid:650805308346087706,productDocid:2480719754544464750,rds:PC_12582580856989197836%7CPROD_PC_12582580856989197836\u0026amp;q=product\u0026amp;sa=X\u0026amp;ved=2ahUKEwi4s9mf78WWAxVdJ0QIHRgvDCQQxa4PeggIAggBCA0QBA\" color=\"\" tabindex=\"0\"\u003eStarrett Cast Iron Protractor Head\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/mark\u003e (specifically the \u003cstrong class=\"rQesXe MPyX\" color=\"\"\u003ePR-1224\u003c\/strong\u003e or \u003cstrong class=\"rQesXe MPyX\" color=\"\"\u003e\u003cspan class=\"iNqyIf\" color=\"\"\u003e\u003cspan color=\"\"\u003e\u003ca class=\"SmjhRb bqYA2d\" role=\"link\" id=\"pvlinkkNSSarirEN3OkPIPmN6woAI_3\" href=\"https:\/\/www.google.com\/search?ibp=oshop\u0026amp;prds=pvt:hg,pvo:48,imageDocid:17460181314803954397,headlineOfferDocid:7196884521736779344,productDocid:7196884521736779344\u0026amp;q=product\u0026amp;sa=X\u0026amp;ved=2ahUKEwi4s9mf78WWAxVdJ0QIHRgvDCQQxa4PeggIAggBCA0QBg\" color=\"\" tabindex=\"0\"\u003eNo. 490\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e model variant).\u003cspan\u003e \u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\" color=\"\"\u003eThis tool functions as an accessory component for a standard machinist combination square set. When paired with a grooved steel rule, it forms a combination bevel protractor used to accurately measure, transfer, and lay out angles from 0 to 180 degrees in both directions.\u003c\/div\u003e\n\u003cdiv class=\"yhAwj\" color=\"\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"\" color=\"\"\u003e\n\u003cdiv class=\"otQkpb\" role=\"heading\" color=\"\"\u003eKey Visual \u0026amp; Design Features\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\" color=\"\"\u003e\n\u003cspan class=\"iNqyIf\" color=\"\"\u003e\u003cstrong class=\"rQesXe MPyX\" color=\"\"\u003eMaterial \u0026amp; Build:\u003c\/strong\u003e Cast from heavy-duty iron with a classic textured finish and precision ground reference flat surfaces on the bottom face.\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\" color=\"\"\u003e\u003cspan class=\"iNqyIf\" color=\"\"\u003e\u003cstrong class=\"rQesXe MPyX\" color=\"\"\u003eRevolving Turret:\u003c\/strong\u003e Features a central rotating dial graduated in individual degrees. The twin lines of numbers allow reading opposing complementary angles cleanly.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"\" color=\"\"\u003e\u003cspan class=\"iNqyIf\" color=\"\"\u003e\u003cstrong class=\"rQesXe MPyX\" color=\"\"\u003eLocking Mechanism:\u003c\/strong\u003e Equipped with a central knurled thumb-screw nut used to lock the protractor securely at a specific angle along the slot of a matching scale rule.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"\" color=\"\"\u003e\u003cspan class=\"iNqyIf\" color=\"\"\u003e\u003cstrong class=\"rQesXe MPyX\" color=\"\"\u003eLevel Vial:\u003c\/strong\u003e Includes an integrated spirit bubble level positioned right below the dial arc for leveling surfaces or taking angular reference readings relative to true horizontal.\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003eembrace the quality that has stood the test of time.\u003c\/p\u003e\n\u003cdiv class=\"n6owBd awi2gc\" color=\"\"\u003e\u003cspan color=\"\"\u003e Vintage Starrett Protractor Head 420 PR-1224 7\" Round Measuring Tools Machinist love these old USA tools   seem to last forever!!!\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\" color=\"\"\u003e\n\u003cspan color=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\" color=\"\"\u003e\n\u003cspan color=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\" color=\"\"\u003e\n\u003cspan color=\"\"\u003evintage \u003c\/span\u003e\u003cmark class=\"MAeH\" color=\"\"\u003e\u003c!--qkimaf lO8SKb_m\/HugV6--\u003e\u003c!--cqw1tb lO8SKb_m\/HugV6--\u003e\u003cstrong class=\"rQesXe MPyX\" color=\"\"\u003e\u003cspan class=\"\" color=\"\"\u003e\u003ca class=\"H23r4e\" rel=\"noopener\" href=\"https:\/\/www.starrett.com\/products\/precision-measuring-tools\/precision-hand-tools\/squares\/combination-square-accessories\/CPR-1224S\" color=\"\" target=\"_blank\"\u003e\u003cspan class=\"iNqyIf\" color=\"\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan color=\"\"\u003e\u003ca class=\"H23r4e\" rel=\"noopener\" href=\"https:\/\/www.starrett.com\/products\/precision-measuring-tools\/precision-hand-tools\/squares\/combination-square-accessories\/CPR-1224S\" color=\"\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca class=\"H23r4e\" rel=\"noopener\" href=\"https:\/\/www.starrett.com\/products\/precision-measuring-tools\/precision-hand-tools\/squares\/combination-square-accessories\/CPR-1224S\" color=\"\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca class=\"H23r4e\" rel=\"noopener\" href=\"https:\/\/www.starrett.com\/products\/precision-measuring-tools\/precision-hand-tools\/squares\/combination-square-accessories\/CPR-1224S\" color=\"\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca class=\"H23r4e\" rel=\"noopener\" href=\"https:\/\/www.starrett.com\/products\/precision-measuring-tools\/precision-hand-tools\/squares\/combination-square-accessories\/CPR-1224S\" color=\"\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca class=\"SmjhRb bqYA2d\" role=\"link\" id=\"pvlinkkNSSarirEN3OkPIPmN6woAI_1\" href=\"https:\/\/www.google.com\/search?ibp=oshop\u0026amp;prds=pvt:hg,pvo:48,mid:576462859583744055,imageDocid:807989148637063454,gpcid:12582580856989197836,headlineOfferDocid:720160645240560395,catalogid:650805308346087706,productDocid:2480719754544464750,rds:PC_12582580856989197836%7CPROD_PC_12582580856989197836\u0026amp;q=product\u0026amp;sa=X\u0026amp;ved=2ahUKEwi4s9mf78WWAxVdJ0QIHRgvDCQQxa4PeggIAggBCA0QBA\" color=\"\" tabindex=\"0\"\u003eStarrett Cast Iron Protractor Head\u003c\/a\u003e\u003c!--TgQPHd|||[[[\"807989148637063454\",\"650805308346087706\",\"2480719754544464750\",\"720160645240560395\",null,\"12582580856989197836\",\"576462859583744055\",null,\"hg\",\"PC_12582580856989197836|PROD_PC_12582580856989197836\",null,null,null,null,null,null,null,null,null,48,null,null,null,null,null,null,null,null,\"Starrett CPNR-1224W Protractor Head\",null,null,\"1974063085226120705\",null,null,null,null,\"starrett\",[null,\"starrett\",null,1],null,null,null,0,\"ErcCCvcBQUppVDR0SVhPZDNvbjdKMVhOeXAwQXdxR2tVM3NIR05qSmQtNnc4TmRXb2JSVXdHZEVTMnhEQ1hhb0IwUjlLY3pWdEE4TWN2eVc2RHczNEVsSEtlSmlYOEJnM29zWDRBdzFySDVtYjhRYzZrZkVBSHZtNUFSTHdWNG5ObGZKV3QtSnFIUTMySHFjYXBIVmpjR01WOE5xYWFsZ0l2bTVLbUliQkJUM1RDbzhVUTVxRlgxSmVhYTAzVmY4YnNjYVp6SnpSSW55ZU9yZXE2Yk13UmpRbTlJM0tyRjJoaDhodG9tMTlrU3FUOEN0dmVyREVLRzFheGRiMBIXa05TU2FyaXJFTjNPa1BJUG1ONndvQUkaIkFEc3I5ZlIxZ0g0SU1DYXdVX0V1cEpCa1huTldmV2NVQ0E\",null,null,0],null,0,1,\"EusFCuEFIt4FaHR0cHM6Ly93d3cuZ29vZ2xlLmNvbS9zZWFyY2g_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\",null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,[null,1,0,1,null,null,null,null,null,null,null,null,[251717,null,1],null,null,[{\"395\":[null,null,null,[null,[183990000,\"USD\"],5,2,null,\"Starrett CPNR-1224W Protractor Head\",null,[\"807989148637063454\",1,154]]],\"470\":[[\"720160645240560395\",\"2480719754544464750\",null,\"12582580856989197836\",null,null,\"100446302\",null,\"1974063085226120705\",null,null,null,null,null,[\"720160645240560395\",\"17927433089070845173\",null,\"1787984836827780\",\"1787984836827780\",\"1787984145776638\"],null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,[[\"720160645240560395\",\"17927433089070845173\",null,\"1787984836827780\",\"1787984836827780\",\"1787984145776638\"],null,\"720160645240560395\",\"100446302\",null,null,1,null,null,\"G1081656\",\"en\",[\"100446302\",100255450,\"http:\/\/www.zoro.com\",\"Zoro\"],null,null,[[[100446302,[],null,[[\"720160645240560395\",[1,\"USD\",0,null,null,90,2],[[1788177600],[2026,9,2],[2026,9,8],2,5,null,90,2,null,null,10],0,null,1,null,null,0,null,1]]]]],1,null,null,null,null,null,1,null,[998816,997727,993215,983661,915528]],\"650805308346087706\",[\"12582580856989197836\",\"1\",null,null,\"1787968792111065\"],[\"2480719754544464750\",\"68979970\",\"1788000201101661\"]]]}],null,null,null,null,[null,null,\"\/search?ibp\\u003doshop\\u0026prds\\u003dpvt:hg,pvo:48,mid:576462859583744055,imageDocid:807989148637063454,gpcid:12582580856989197836,headlineOfferDocid:720160645240560395,catalogid:650805308346087706,productDocid:2480719754544464750,rds:PC_12582580856989197836%7CPROD_PC_12582580856989197836\\u0026q\\u003dproduct\"]],0],\"\"]--\u003e\u003c!--TgQPHd|||[]--\u003e\u003c!--TgQPHd|||[[\"SHOPPING_PRODUCT\",2,\"FAILED_OR_SKIPPED\",\"EhsiFKIBEUZBSUxFRF9PUl9TS0lQUEVEkgECnAE\",\"Starrett Cast Iron Protractor Head\",\"\",\"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\",null,1,null,[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,1],0,0,null,null,0,0,[],\"\",0,0],\"kNSSarirEN3OkPIPmN6woAI_0\"]--\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[[\"https:\/\/www.starrett.com\/products\/precision-measuring-tools\/precision-hand-tools\/squares\/combination-square-accessories\/CPR-1224S\",null,null,[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,[{\"1218\":[16]}]],16,null,\"CPR-1224S Protractor Head for Combination Squares, ... - Starrett\",\"* Starrett Part Number:CPR-1224S. * EDP Number:52516. * EAN Number:0049659525168.\",\"https:\/\/encrypted-tbn3.gstatic.com\/images?q\\u003dtbn:ANd9GcStW6kViIdS8fYADRfoFL3XGzcfTVQkDMDSwBTa4p6wOYWJbghv3d_f7HsgcgI0YZpRksnrJZas-4sSYWQ\",\"Starrett\",\"https:\/\/encrypted-tbn1.gstatic.com\/faviconV2?url\\u003dhttps:\/\/www.starrett.com\\u0026client\\u003dAIM\\u0026size\\u003d128\\u0026type\\u003dFAVICON\\u0026fallback_opts\\u003dTYPE,SIZE,URL\",[[1788007568267704,138684253,604778264],null,null,null,null,[[2,1,12]]],null,\"14a68773-43cd-4358-b68c-57f4d314a136\"]]--\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/mark\u003e (specifically the \u003cstrong class=\"rQesXe MPyX\" color=\"\"\u003ePR-1224\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e or \u003cstrong class=\"rQesXe MPyX\" color=\"\"\u003e\u003cspan class=\"iNqyIf\" color=\"\"\u003e\u003cspan color=\"\"\u003e\u003ca class=\"SmjhRb bqYA2d\" role=\"link\" id=\"pvlinkkNSSarirEN3OkPIPmN6woAI_3\" href=\"https:\/\/www.google.com\/search?ibp=oshop\u0026amp;prds=pvt:hg,pvo:48,imageDocid:17460181314803954397,headlineOfferDocid:7196884521736779344,productDocid:7196884521736779344\u0026amp;q=product\u0026amp;sa=X\u0026amp;ved=2ahUKEwi4s9mf78WWAxVdJ0QIHRgvDCQQxa4PeggIAggBCA0QBg\" color=\"\" tabindex=\"0\"\u003eNo. 490\u003c\/a\u003e\u003c!--TgQPHd|||[[[\"17460181314803954397\",null,\"7196884521736779344\",\"7196884521736779344\",null,null,null,null,\"hg\",null,null,null,null,null,null,null,null,null,null,48,null,null,null,null,null,null,null,null,\"Vintage Starrett No. 490 Protractor Head Very 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Starrett No. 490 Protractor Head Very Nice\",null,[\"17460181314803954397\",1,154]]],\"470\":[[\"7196884521736779344\",\"7196884521736779344\",null,null,null,null,\"114799478\",null,\"1974063085226120705\",null,null,null,null,null,[\"7196884521736779344\",\"1910299492727855400\",null,\"1787949977952778\",\"1787949977952778\",\"1787839616408416\"],null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,[[\"7196884521736779344\",\"1910299492727855400\",null,\"1787949977952778\",\"1787949977952778\",\"1787839616408416\"],null,\"7196884521736779344\",\"114799478\",null,null,1,[[1788007569389238,138683654,1730016328],null,0],null,\"306512877708\",\"en\",[\"114799478\",6296794,\"http:\/\/shop.ebay.com\/jacksantiques\/m.html\",\"eBay - 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490\",\"\",\"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\",null,1,null,[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,1],0,0,null,null,0,0,[],\"\",0,0],\"kNSSarirEN3OkPIPmN6woAI_2\"]--\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e model variant).\u003cspan\u003e \u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\" color=\"\"\u003eThis tool functions as an accessory component for a standard machinist combination square set. When paired with a grooved steel rule, it forms a combination bevel protractor used to accurately measure, transfer, and lay out angles from 0 to 180 degrees in both directions.\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"yhAwj\" color=\"\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003cdiv class=\"\" color=\"\"\u003e\n\u003cdiv class=\"otQkpb\" role=\"heading\" color=\"\"\u003eKey Visual \u0026amp; Design Features\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\" color=\"\"\u003e\n\u003cspan class=\"iNqyIf\" color=\"\"\u003e\u003cstrong class=\"rQesXe MPyX\" color=\"\"\u003eMaterial \u0026amp; Build:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Cast from heavy-duty iron with a classic textured finish and precision ground reference flat surfaces on the bottom face.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\" color=\"\"\u003e\n\u003cspan class=\"iNqyIf\" color=\"\"\u003e\u003cstrong class=\"rQesXe MPyX\" color=\"\"\u003eRevolving Turret:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Features a central rotating dial graduated in individual degrees. The twin lines of numbers allow reading opposing complementary angles cleanly.\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\" color=\"\"\u003e\n\u003cspan class=\"iNqyIf\" color=\"\"\u003e\u003cstrong class=\"rQesXe MPyX\" color=\"\"\u003eLocking Mechanism:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Equipped with a central knurled thumb-screw nut used to lock the protractor securely at a specific angle along the slot of a matching scale rule.\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\" color=\"\"\u003e\u003cspan class=\"iNqyIf\" color=\"\"\u003e\u003cstrong class=\"rQesXe MPyX\" color=\"\"\u003eLevel Vial:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Includes an integrated spirit bubble level positioned right below the dial arc for leveling surfaces or taking angular reference readings relative to true horizontal.\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003eembrace the quality that has stood the test of time. 082826\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"cyclewarehouse.online","offers":[{"title":"Default Title","offer_id":47608964317346,"sku":"starrett protractor #2 082826","price":99.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0335\/9824\/2861\/files\/a0649415-738c-4f29-8ac4-40a35e05fd70.jpg?v=1788273840","url":"https:\/\/cyclewarehouse.online\/products\/vintage-starrett-protractor-head-420-pr-1224-7-round-measuring-tools-machinist","provider":"cyclewarehouse.online","version":"1.0","type":"link"}