{"product_id":"proto-j3112m-open-end-wrench-12-mm-double-end","title":"Proto J3112M Open End Wrench 12 Mm Double End","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe PROTO J3112M is a double-ended open end wrench sized at 12 mm, built for professional-grade fastener work in mechanical, HVAC, plumbing, and industrial service applications. The wrench is forged from steel with a chrome-plated finish that resists corrosion and simplifies cleanup in the field. Both heads are offset at 15 and 60 degree angles, giving technicians clearance to work in tight fastener access points without removing the tool from the fastener. At 5 inches in length and 0.1 pounds, it fits easily in a tool pouch or roll and handles the repetitive torque demands of daily trade use.\u003c\/p\u003e\n\u003cp\u003eThis wrench is suited for residential and commercial mechanical service work where metric fasteners are common. HVAC technicians, pipefitters, and general maintenance mechanics reach for double-ended open end wrenches when socket access is blocked or when working on hex fasteners on equipment panels, refrigerant line fittings, and piping connections. The 12 mm size covers a wide range of metric hardware found on equipment manufactured to European and Asian standards.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eDouble-ended design provides two working heads on a single tool\u003c\/li\u003e\n  \u003cli\u003e15 and 60 degree head angles for clearance in confined fastener locations\u003c\/li\u003e\n  \u003cli\u003eChrome-plated steel construction for corrosion resistance and durability\u003c\/li\u003e\n  \u003cli\u003eHead width of 45\/64 inches fits standard 12 mm metric fasteners\u003c\/li\u003e\n  \u003cli\u003eMeets GGG-W-636E federal specification standards\u003c\/li\u003e\n  \u003cli\u003eBacked by a lifetime warranty from PROTO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or addition for professional metric hand tool sets requiring a double-ended open end wrench in the 12 mm size range.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis wrench is installed and used by licensed mechanics, HVAC technicians, plumbers, and electricians as part of standard hand tool service procedures. Always select the correct wrench size for the fastener to avoid rounding hex flats. Do not use a cheater bar or extension on an open end wrench, as this can damage the tool or fastener. Keep the chrome finish clean and dry to extend service life.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWrench Size\u003c\/strong\u003e: 12 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Type\u003c\/strong\u003e: Double End Open End\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Angle\u003c\/strong\u003e: 15 degrees and 60 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Width\u003c\/strong\u003e: 45\/64 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Chrome-Plated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.1 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard\u003c\/strong\u003e: GGG-W-636E\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty\u003c\/strong\u003e: Lifetime\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: PROTO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: J3112M\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PROTO","offers":[{"title":"Default Title","offer_id":51538387403058,"sku":"J3112M","price":37.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/253a1d6c596b45841248361b46da4be3.jpg?v=1785824108","url":"https:\/\/voomisupply.com\/products\/proto-j3112m-open-end-wrench-12-mm-double-end","provider":"Voomi Supply","version":"1.0","type":"link"}