{"product_id":"insize-2278-180e-283344-12-combination-square-set-4r-graduation","title":"INSIZE 2278-180E (283344) 12\" Combination Square Set, 4R Graduation","description":"\u003cp\u003eThe Insize 2278-180E (distributor SKU 283344) is an elite industrial-grade 4-piece combination square set designed for high-precision layout, measurement, and inspection tasks. This versatile metrology tool features a 12-inch stainless steel rule with satin chrome plating for glare reduction and corrosion resistance. The set includes a square head, protractor head, and center head, all constructed from heavy-duty cast iron to ensure long-term stability and professional accuracy in demanding shop environments.\u003c\/p\u003e\u003ch4\u003ePerformance Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Functional Layout:\u003c\/strong\u003e Functions as a square, level, marking gage, scriber, center gage, protractor, and 12-inch precision steel rule.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4R Graduation Style:\u003c\/strong\u003e High-contrast etched graduations featuring 1\/8\" and 1\/16\" on the front face, and 1\/32\" and 1\/64\" on the reverse.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCast Iron Construction:\u003c\/strong\u003e Machined cast iron heads provide superior durability and vibration dampening compared to aluminum alternatives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSatin Chrome Rule:\u003c\/strong\u003e The stainless steel blade is treated with a non-glare satin chrome finish for easy reading under bright industrial lighting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Accuracy:\u003c\/strong\u003e Square head accuracy of ±8 minutes for 90° angles ensures tight tolerances in metalworking and woodworking applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003ctable style=\"width: 100%; border-collapse: collapse;\" border=\"1\"\u003e\n\u003cthead\u003e\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade Range\u003c\/td\u003e\n\u003ctd\u003e12\" (304.8mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGraduations (Front)\u003c\/td\u003e\n\u003ctd\u003e1\/8\", 1\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGraduations (Back)\u003c\/td\u003e\n\u003ctd\u003e1\/32\", 1\/64\" (4R)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSquare Head Accuracy\u003c\/td\u003e\n\u003ctd\u003e±8min (90°), ±10min (45°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtractor Range\u003c\/td\u003e\n\u003ctd\u003e0-180° (Accuracy: ±7min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCenter Head Accuracy\u003c\/td\u003e\n\u003ctd\u003e±0.006\" (±0.15mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade Material\u003c\/td\u003e\n\u003ctd\u003eStainless Steel (Satin Chrome)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead Material\u003c\/td\u003e\n\u003ctd\u003eCast Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003e\u003c\/h4\u003e\u003ch4\u003eWhat's Included\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e12\" Stainless Steel Rule (4R Graduation)\u003c\/li\u003e\n\u003cli\u003eSquare Head with Spirit Level and Scriber\u003c\/li\u003e\n\u003cli\u003e180° Protractor Head\u003c\/li\u003e\n\u003cli\u003eCenter Head\u003c\/li\u003e\n\u003cli\u003eCustom Fitted Storage Case\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"INSIZE","offers":[{"title":"Default Title","offer_id":54074609566062,"sku":"283344","price":106.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0057\/0333\/6025\/files\/Untitled-June22_2026at08.07.43_10_1.jpg?v=1782099073","url":"https:\/\/wiselinetools.ca\/fr-fr\/products\/insize-2278-180e-283344-12-combination-square-set-4r-graduation","provider":"Wise Line Tools","version":"1.0","type":"link"}