{"product_id":"apex-85921-xl-gearbox-ratcheting-wrench-21mm-metric","title":"Apex 85921 Xl Gearbox Ratcheting Wrench 21MM Metric","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe APEX 85921 is a 21MM metric double box end ratcheting wrench built for professional technicians who need speed and torque in tight spaces. The ratcheting box end requires as little as 5 degrees of swing arc to advance the fastener, compared to 30 degrees for a standard box end wrench. The long-pattern length maximizes leverage for breaking loose rusted or stubborn fasteners, while the ratcheting end speeds up the run-down once the fastener breaks free. The wrench is machined from chrome vanadium steel for durability and precision fit across its service life.\u003c\/p\u003e\u003cp\u003eThis wrench is suited for automotive, heavy equipment, and fleet maintenance work where 21MM metric fasteners are common. The long-pattern design makes it a practical choice when working on suspension components, drivetrain hardware, exhaust flanges, and similar high-torque applications. Both box ends feature 12-point geometry, allowing engagement from multiple angles in confined areas. The 5-degree arc swing is especially valuable in restricted engine bays and undercarriage work where full wrench rotation is not possible.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e5-degree ratcheting arc swing — significantly less than the 30-degree requirement of a standard box end wrench\u003c\/li\u003e\n\u003cli\u003eDouble box end configuration with 12-point geometry on both ends\u003c\/li\u003e\n\u003cli\u003eLong-pattern length provides increased torque for removing seized fasteners\u003c\/li\u003e\n\u003cli\u003eOff-corner loading design reduces fastener rounding and improves box end strength\u003c\/li\u003e\n\u003cli\u003eChrome vanadium steel construction for long service life\u003c\/li\u003e\n\u003cli\u003eIncludes blow-molded carrying case for wall mounting or toolbox storage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with 21MM metric fasteners in automotive, fleet, and industrial maintenance applications.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eA licensed mechanic or qualified technician should select the correct wrench size before applying torque to avoid fastener rounding. Inspect the wrench for cracks or damaged teeth before use, and do not use extension bars or pipes to increase leverage on ratcheting wrenches. Always ensure full engagement of the box end on the fastener head before applying force.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize\u003c\/strong\u003e: 21MM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Count\u003c\/strong\u003e: 12 Point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurement System\u003c\/strong\u003e: Metric\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrench Type\u003c\/strong\u003e: Double Box End Ratcheting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRatcheting Arc Swing\u003c\/strong\u003e: 5 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 16.54 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 2.07 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Chrome Vanadium Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUOM\u003c\/strong\u003e: Each\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: APEX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 85921\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"APEX","offers":[{"title":"Default Title","offer_id":51344115663154,"sku":"85921","price":66.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310499160.jpg?v=1782029665","url":"https:\/\/voomisupply.com\/products\/apex-85921-xl-gearbox-ratcheting-wrench-21mm-metric","provider":"Voomi Supply","version":"1.0","type":"link"}