{"product_id":"proto-j5128-crowfoot-wrench-7-8-in-3-8-in-drive-12-point","title":"Proto J5128 Crowfoot Wrench 7\/8 in 3\/8 in Drive 12-point","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe PROTO J5128 is a 7\/8 inch crowfoot wrench built for 3\/8 inch drive ratchets and extensions. It delivers 12-point engagement on hex fasteners in tight or offset locations where standard open-end or box wrenches cannot reach. The chrome-plated finish resists corrosion and stands up to shop environments. The head measures 1-11\/64 inches in diameter and 31\/64 inches thick, keeping the profile low enough to work in confined spaces. Overall length is 2-63\/64 inches. At 0.16 pounds, it is light enough to carry in a pouch or add to a socket tray without bulk. Licensed tradespeople, mechanics, and industrial maintenance technicians are the primary users.\u003c\/p\u003e\n\u003cp\u003eCrowfoot wrenches are used wherever a standard socket cannot seat over a fastener — fuel line fittings, hydraulic line adapters, sensor bungs, and structural bolts in confined assemblies are common applications. The J5128 fits into HVAC equipment service, plumbing rough-in, and mechanical piping work where 7\/8 inch fittings appear on tubing, unions, or valve packing nuts. The 3\/8 inch drive allows pairing with torque wrenches for controlled tightening, making it suitable for applications governed by published torque specifications.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e7\/8 inch wrench size on a 3\/8 inch square drive — pairs with standard ratchets, extensions, and torque wrenches\u003c\/li\u003e\n  \u003cli\u003e12-point design provides six engagement positions for easier placement in tight quarters\u003c\/li\u003e\n  \u003cli\u003eLow-profile head at 31\/64 inches thick for access in confined fastener locations\u003c\/li\u003e\n  \u003cli\u003eChrome-plated finish for corrosion resistance and easy cleaning\u003c\/li\u003e\n  \u003cli\u003eMeets AS954E S3.8.1 standards\u003c\/li\u003e\n  \u003cli\u003eLimited Lifetime Warranty from the manufacturer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with standard 3\/8 inch drive ratchets, extensions, and torque wrenches that accept crowfoot-style attachments.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eCrowfoot wrenches must be used at 0 degrees or 90 degrees offset from the drive to maintain accurate torque readings when paired with a torque wrench — any other angle introduces error. Always verify the drive connection is fully seated before applying load. Disengage all power, pressure, or fluid supply to the system before loosening or tightening fittings. Chrome hand tools should not be used with impact drivers.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWrench Size\u003c\/strong\u003e: 7\/8 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrive Size\u003c\/strong\u003e: 3\/8 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Points\u003c\/strong\u003e: 12\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2-63\/64 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Diameter\u003c\/strong\u003e: 1-11\/64 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Thickness\u003c\/strong\u003e: 31\/64 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Chrome-Plated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.16 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem of Measurement\u003c\/strong\u003e: Inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: AS954E S3.8.1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty\u003c\/strong\u003e: Limited Lifetime Warranty\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: J5128\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PROTO","offers":[{"title":"Default Title","offer_id":51541294055730,"sku":"J5128","price":46.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/e9c8d99e902bb6a26ca8ba9df806d853.jpg?v=1785871577","url":"https:\/\/voomisupply.com\/products\/proto-j5128-crowfoot-wrench-7-8-in-3-8-in-drive-12-point","provider":"Voomi Supply","version":"1.0","type":"link"}