{"product_id":"proto-jsbv2428-double-end-box-wrench-3-4-x-7-8-in-12-pt","title":"Proto JSBV2428 Double End Box Wrench 3\/4 X 7\/8 in 12 Pt","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe PROTO JSBV2428 is a double-end box wrench designed for professional trade use in mechanical, HVAC, plumbing, and electrical service work. It features two box ends sized at 3\/4 inches and 7\/8 inches, each with a 12-point profile that engages fastener flats cleanly and reduces the risk of rounding. The wrench is constructed from steel with a chrome finish that resists corrosion and simplifies cleaning after use. The reversing capability allows the technician to reposition without removing the wrench from the fastener, which is a practical advantage in tight or confined spaces. This is a hand tool intended for licensed tradespeople and experienced service technicians.\u003c\/p\u003e\n\u003cp\u003eThe JSBV2428 suits residential and light commercial maintenance tasks where 3\/4-inch and 7\/8-inch fasteners are common. Typical applications include equipment mounting hardware, flange bolts, valve packing nuts, and mechanical system connections encountered in HVAC installations, refrigeration service, plumbing rough-in, and general mechanical work. The dual-size configuration reduces the number of tools a technician needs to carry for mixed-fastener jobs.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eDouble-end design with 3\/4 inches and 7\/8 inches box openings on a single wrench\u003c\/li\u003e\n  \u003cli\u003e12-point profile for multiple engagement positions on hex and 12-point fasteners\u003c\/li\u003e\n  \u003cli\u003eReversing function allows repositioning without lifting the wrench off the fastener\u003c\/li\u003e\n  \u003cli\u003eSteel construction with chrome finish for durability and corrosion resistance\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 a standard double-end box wrench suitable for 3\/4-inch and 7\/8-inch fasteners commonly found in HVAC, plumbing, and mechanical service applications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis wrench is a hand tool used by HVAC technicians, plumbers, pipefitters, and general mechanical tradespeople. Always ensure the correct size opening is fully seated on the fastener before applying torque to prevent fastener damage or slippage. Use in combination with appropriate personal protective equipment when working near energized equipment or pressurized systems. Inspect the wrench for cracks or wear before each use and replace if the box opening shows signs of deformation.\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: 3\/4 inches x 7\/8 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Points\u003c\/strong\u003e: 12\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\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReversing\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.63 pounds\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: 27110000\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: JSBV2428\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PROTO","offers":[{"title":"Default Title","offer_id":51542537142578,"sku":"JSBV2428","price":86.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/7feb8ca8d79d302196fa82cddb49146d.jpg?v=1785903093","url":"https:\/\/voomisupply.com\/products\/proto-jsbv2428-double-end-box-wrench-3-4-x-7-8-in-12-pt","provider":"Voomi Supply","version":"1.0","type":"link"}