{"product_id":"proto-j111012l-box-end-wrench-5-16-x-3-8-in-12-pt","title":"Proto J111012L Box End Wrench 5\/16 X 3\/8 in 12 Pt","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe PROTO J111012L is a double-end box wrench sized 5\/16 inch by 3\/8 inch, built for fastener work in tight spaces where an open-end wrench cannot seat fully. Both ends feature 12-point box profiles, allowing the wrench to engage hex fasteners at 30-degree increments for repositioning in confined areas. Constructed from steel with a polished finish, this wrench is designed for repeated use in professional trade environments including HVAC, plumbing, and electrical work where small fasteners are common. It meets ASME B107.10 standards and carries a lifetime warranty.\u003c\/p\u003e\n\u003cp\u003eThis wrench is suited for residential and light commercial service work wherever 5\/16 inch or 3\/8 inch hex fasteners appear. Typical applications include equipment panels, motor mounting hardware, pipe fittings, and electrical enclosures. The compact overall length of 8.84 inches makes it practical in restricted access areas such as inside air handlers, electrical panels, and mechanical equipment cabinets. It is a single-piece hand tool requiring no power source, used by HVAC technicians, plumbers, electricians, and general mechanical service professionals.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eDual-size ends: 5\/16 inch and 3\/8 inch box openings in one tool\u003c\/li\u003e\n  \u003cli\u003e12-point profile allows repositioning at 30-degree increments in tight spaces\u003c\/li\u003e\n  \u003cli\u003eSteel construction with polished finish for corrosion resistance and durability\u003c\/li\u003e\n  \u003cli\u003eMeets ASME B107.10 standards for box wrenches\u003c\/li\u003e\n  \u003cli\u003eLifetime warranty from the manufacturer\u003c\/li\u003e\n  \u003cli\u003eCompact at 8.84 inches overall length for restricted-access service work\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with standard 5\/16 inch and 3\/8 inch hex fasteners across residential and commercial HVAC, plumbing, and electrical applications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis is a hand tool requiring no installation. Ensure the box end is fully seated on the fastener before applying torque to avoid rounding the fastener head. When working in or around energized electrical equipment, follow NFPA 70E arc flash safety procedures and de-energize circuits where required. Keep the wrench clean and dry to maintain grip and finish.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWrench Type\u003c\/strong\u003e: Box End\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnd Configuration\u003c\/strong\u003e: Double End\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSizes\u003c\/strong\u003e: 5\/16 inch x 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\u003eRatcheting\u003c\/strong\u003e: No\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: Polished\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 8.84 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 0.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 0.33 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.156 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard\u003c\/strong\u003e: ASME B107.10\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty\u003c\/strong\u003e: Lifetime\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 27111705\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: J111012L\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PROTO","offers":[{"title":"Default Title","offer_id":51540957364530,"sku":"J111012L","price":68.56,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/e2d961deb6a9499fbcea2448d0e9c613.jpg?v=1785866405","url":"https:\/\/voomisupply.com\/products\/proto-j111012l-box-end-wrench-5-16-x-3-8-in-12-pt","provider":"Voomi Supply","version":"1.0","type":"link"}