{"product_id":"proto-j4911mcf-open-end-crowfoot-wrench-metric","title":"Proto J4911MCF Open End Crowfoot Wrench Metric","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe PROTO J4911MCF is an open end crowfoot wrench designed for use with standard 1\/4-inch drive torque tools and ratchet extensions. It features a chrome-plated finish for corrosion resistance and a compact head profile that fits into confined spaces where a standard open end wrench cannot reach. The head diameter measures 0.87 inches with a head thickness of 0.25 inches and an overall length of 1.13 inches. Built to ASME B107.21 standards, this wrench is suited for professional trade applications where access is limited and accurate torque application is required.\u003c\/p\u003e\n\u003cp\u003eThis crowfoot wrench is used in automotive, mechanical, and industrial service environments where fasteners are recessed or surrounded by adjacent components. Its metric sizing makes it appropriate for equipment with metric fasteners. Typical install scenarios include engine service, HVAC equipment assembly, and machinery maintenance where a standard wrench or socket cannot engage the fastener directly. It is installed by mechanics, HVAC technicians, and industrial maintenance professionals.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eOpen end crowfoot design fits 1\/4-inch drive torque wrenches and extension bars\u003c\/li\u003e\n  \u003cli\u003eChrome-plated finish resists corrosion and simplifies cleaning\u003c\/li\u003e\n  \u003cli\u003eCompact 0.25-inch head thickness for access in tight spaces\u003c\/li\u003e\n  \u003cli\u003eMeets ASME B107.21 and Federal Specification GGG-C-1507b standards\u003c\/li\u003e\n  \u003cli\u003eMetric system of measurement\u003c\/li\u003e\n  \u003cli\u003eBacked by a Limited Lifetime Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with 1\/4-inch drive torque wrenches, ratchets, and extension bars. Metric sizing is suitable for fasteners on equipment manufactured to metric specifications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis crowfoot wrench is installed by mechanics, HVAC technicians, and industrial maintenance professionals using standard 1\/4-inch drive torque tools. Ensure the drive tool and crowfoot are fully seated before applying torque to prevent slippage or fastener damage. When using a crowfoot at an angle offset from the drive axis, consult the torque wrench manufacturer guidelines for any correction factor that may apply. Follow all applicable safety practices for the system being serviced before beginning work.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Diameter\u003c\/strong\u003e: 0.87 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Thickness\u003c\/strong\u003e: 0.25 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 1.13 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.07 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Chrome Plated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem of Measurement\u003c\/strong\u003e: Metric\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ASME B107.21, GGG-C-1507b\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: J4911MCF\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PROTO","offers":[{"title":"Default Title","offer_id":51538376261938,"sku":"J4911MCF","price":46.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/bb250f8c7d95aa8e00789c0fbca6f94b.jpg?v=1785823874","url":"https:\/\/voomisupply.com\/products\/proto-j4911mcf-open-end-crowfoot-wrench-metric","provider":"Voomi Supply","version":"1.0","type":"link"}