{"product_id":"starrett-52645-steel-rule-6-inches-4r-graduation","title":"Starrett 52645 Steel Rule 6 Inches 4R Graduation","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe STARRETT 52645 is a 6-inch spring-tempered steel rule designed for precise linear measurement in trade and workshop environments. Built from spring-tempered steel with a regular steel finish, it delivers consistent rigidity and long-term durability under daily use. The rule features 4R graduation — four scales covering 8ths, 16ths, quick-reading 32nds, and 64ths of an inch — laid out in a single row of inch figures for fast, unambiguous reading. At 3\/4 inch wide and 3\/64 inch thick, it fits easily in a tool pouch or shirt pocket. Machinists, pipefitters, HVAC technicians, and electricians reach for this rule when layout and verification work demands clean, readable graduations on a compact, rigid blade.\u003c\/p\u003e\n\u003cp\u003eThe 52645 is suited for residential and commercial trade work wherever a short, precise rule is needed. It performs well in tight spaces — inside electrical panels, cabinet interiors, pipe runs, and duct openings — where a full 12-inch rule is unwieldy. The quick-reading 32nds scale reduces eye strain and speeds up repetitive measurement tasks on the job site or at the bench.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e6-inch blade length in spring-tempered steel for consistent rigidity\u003c\/li\u003e\n  \u003cli\u003e4R graduation: 8ths, 16ths, quick-reading 32nds, and 64ths scales\u003c\/li\u003e\n  \u003cli\u003eSingle row of inch figures for fast, unambiguous reading\u003c\/li\u003e\n  \u003cli\u003e3\/4 inch wide blade fits standard tool pouches and pockets\u003c\/li\u003e\n  \u003cli\u003e3\/64 inch blade thickness keeps it slim and lightweight\u003c\/li\u003e\n  \u003cli\u003eRegular steel finish provides a satin-chrome-style surface that reduces glare\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a standard short-form machinist rule suitable for general layout, inspection, and measurement tasks across HVAC, plumbing, electrical, and mechanical trades.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eNo installation is required for this measuring tool. Store the rule flat or in a protective sleeve to prevent edge damage and maintain graduation legibility. Avoid contact with grinding debris or abrasive surfaces that could wear the markings. Clean with a dry or lightly oiled cloth to preserve the finish.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 6 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 3\/4 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 3\/64 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e: Spring-Tempered Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Regular Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGraduation Type\u003c\/strong\u003e: 4R\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGraduations\u003c\/strong\u003e: 8ths, 16ths, Quick-Reading 32nds, 64ths\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStyle\u003c\/strong\u003e: Single Row of Inch Figures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: STARRETT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 52645\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"STARRETT","offers":[{"title":"Default Title","offer_id":51523366289714,"sku":"52645","price":49.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/3d23f016d7e8f2eb5fb0918a9501351f.jpg?v=1785440891","url":"https:\/\/voomisupply.com\/products\/starrett-52645-steel-rule-6-inches-4r-graduation","provider":"Voomi Supply","version":"1.0","type":"link"}