{"product_id":"tdv-g3739321","title":"Double Square, 3-1\/2x9\/16 In, 4R Grad, 2 Pc","description":"\u003cp\u003eThe STARRETT 13A is a 2-piece double square with a 4 in graduated steel blade and a square head. It is used for precision measuring and layout work, with an adjustable sliding blade for different measurement and marking positions. The head faces are ground square, and the blade has a satin chrome finish with inch graduations.\u003c\/p\u003e  \u003cp\u003eKey features of the STARRETT 13A:\u003cbr\u003e \u003c\/p\u003e\u003cul\u003e \u003cli\u003eItem Type: Double square with graduated blade only.\u003c\/li\u003e \u003cli\u003eBlade Size: 4 in long, 3\/4 in wide, and 0.08 in thick.\u003c\/li\u003e \u003cli\u003eBlade Material and Finish: Steel blade with satin chrome finish.\u003c\/li\u003e \u003cli\u003eGraduation Style: 4R graduation with quick-reading 8ths, 16ths, 32nds, and 64ths.\u003c\/li\u003e \u003cli\u003eGraduation Details: Inch units with black etched marks; front graduation marked to 1\/64 in.\u003c\/li\u003e \u003cli\u003eHead Construction: Square head made of cast iron with enamel coating.\u003c\/li\u003e \u003cli\u003eHead Size: 3 in head length, 9\/16 in head width, outside dimensions 3-1\/2 x 9\/16 in.\u003c\/li\u003e \u003cli\u003eHead Vial: Includes vial in the head.\u003c\/li\u003e \u003cli\u003eAccuracy: +\/- 0.0025 in.\u003c\/li\u003e \u003cli\u003eSquareness Tolerance: +\/- 0.002 in.\u003c\/li\u003e \u003cli\u003eStraightness Tolerance: 0.001 in\/ft.\u003c\/li\u003e \u003cli\u003eMeasurement System: SAE.\u003c\/li\u003e \u003c\/ul\u003e","brand":"STARRETT","offers":[{"title":"Default Title","offer_id":45268493860999,"sku":"G3739321","price":120.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/5424\/4231\/files\/Z39-J_fo5oy.jpg?v=1784327226","url":"https:\/\/checkout.towerdvbe.com\/products\/tdv-g3739321","provider":"Tower Sales and Consulting","version":"1.0","type":"link"}