{"product_id":"84721n","title":"GEARWRENCH 1\/2-Inch Drive X-Core Pinless Universal Joint Impact Extension Set 3-Piece (84721N)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2274\/5945\/files\/Screenshot_2026-10-12_102109.png?v=1791822271\" alt=\"\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\u003ch1 class=\"field field--name-field-long-description field--type-string field--label-hidden field__item\"\u003e\u003cspan style=\"color: rgb(234, 90, 0);\"\u003e3 Piece 1\/2\" Drive X-Core™ Pinless Universal Joint Impact Extension Set 6\", 9\" \u0026amp; 12\"\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe GEARWRENCH 84721N is a three-piece 1\/2-inch drive X-Core pinless universal joint impact extension set designed to improve access to fasteners in tight or awkward locations. Constructed from chrome-molybdenum alloy steel, the set includes 6-inch, 9-inch, and 12-inch extensions for automotive repair, industrial maintenance, and demanding mechanical applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"color: rgb(234, 90, 0);\"\u003eBest Used For\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eAutomotive repair:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Reaching fasteners around engine components, suspension assemblies, and other restricted spaces.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eIndustrial maintenance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Accessing recessed or angled fasteners on equipment and machinery.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMechanical service work:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Extending the reach of compatible 1\/2-inch drive impact sockets.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan style=\"color: rgb(234, 90, 0);\"\u003eKey Performance \u0026amp; Safety Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eX-Core Pinless Joint Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Four-lug ball-and-socket construction is engineered for strength and durability.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eFlexible Access:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Supports a maximum operating flex angle of 30 degrees.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSmooth 360-Degree Rotation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Helps position the extension for improved access.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eChrome-Molybdenum Steel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Provides strength for demanding impact applications.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eBlack Oxide Finish:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Helps resist corrosion.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eLaser-Etched Markings:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e High-visibility markings make tool identification easier.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan style=\"color: rgb(234, 90, 0);\"\u003eWhat's Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eOne 6-inch 1\/2-inch drive pinless universal joint impact extension.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOne 9-inch 1\/2-inch drive pinless universal joint impact extension.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOne 12-inch 1\/2-inch drive pinless universal joint impact extension.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePlastic storage tray.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"product-specs-wrapper\" style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; max-width: 100%; margin: 24px 0; border: 1px solid #E5E7EB; border-radius: 8px; overflow: hidden; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);\"\u003e\n\u003cdiv style=\"background-color: #ff6b00; color: #ffffff; padding: 14px 20px; border-bottom: 2px solid #C45100;\"\u003e\n\u003ch3 style=\"margin: 0; font-size: 18px; font-weight: bold; letter-spacing: 0.025em; text-transform: uppercase;\"\u003eGEARWRENCH 84721N Mechanics Tool Set Specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left; font-size: 14px; line-height: 1.5;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f9fafb; border-bottom: 1px solid #E5E7EB;\"\u003e\n\u003cth scope=\"col\" style=\"padding: 12px 20px; font-weight: bold; color: #374151; width: 35%;\"\u003eParameter\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding: 12px 20px; font-weight: bold; color: #374151; width: 65%;\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #ffffff; border-bottom: 1px solid #F1F3F5;\"\u003e\n\u003ctd style=\"padding: 12px 20px; font-weight: 600; color: #4b5563;\"\u003eModel \u0026amp; Classification\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 20px; color: #111827;\"\u003eGEARWRENCH 84721N | Professional Mechanics Tool Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fafafa; border-bottom: 1px solid #F1F3F5;\"\u003e\n\u003ctd style=\"padding: 12px 20px; font-weight: 600; color: #4b5563;\"\u003eDrive Sizes Included\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 20px; color: #111827;\"\u003e1\/4 in. and 3\/8 in. Drive Workstations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff; border-bottom: 1px solid #F1F3F5;\"\u003e\n\u003ctd style=\"padding: 12px 20px; font-weight: 600; color: #4b5563;\"\u003eRatchet Mechanism\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 20px; color: #111827;\"\u003e72-Tooth Quick-Release Ratchets (5° Arc Swing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fafafa; border-bottom: 1px solid #F1F3F5;\"\u003e\n\u003ctd style=\"padding: 12px 20px; font-weight: 600; color: #4b5563;\"\u003eMaterial \u0026amp; Finish\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 20px; color: #111827;\"\u003ePremium Chrome Alloy Steel with Full Polish Finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff; border-bottom: 1px solid #F1F3F5;\"\u003e\n\u003ctd style=\"padding: 12px 20px; font-weight: 600; color: #4b5563;\"\u003eSocket Configuration\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 20px; color: #111827;\"\u003eStandard \u0026amp; Deep Sockets (SAE and Metric Assortment)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fafafa; border-bottom: 1px solid #F1F3F5;\"\u003e\n\u003ctd style=\"padding: 12px 20px; font-weight: 600; color: #4b5563;\"\u003eStorage Case\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 20px; color: #111827;\"\u003eRugged Blow-Molded Storage Case with Secure Latches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff; border-bottom: 1px solid #F1F3F5;\"\u003e\n\u003ctd style=\"padding: 12px 20px; font-weight: 600; color: #4b5563;\"\u003ePrimary Applications\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 20px; color: #111827;\"\u003eAutomotive Repair, Equipment Maintenance \u0026amp; General Mechanical Work\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fafafa; border-bottom: 1px solid #F1F3F5;\"\u003e\n\u003ctd style=\"padding: 12px 20px; font-weight: 600; color: #4b5563;\"\u003eStandards \u0026amp; Compliance\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 20px; color: #111827;\"\u003eMeets or Exceeds ASME B107 Specifications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"background-color: #fff3e0; border-top: 1px solid #FFE0B2; border-bottom: 4px solid #FF6B00; padding: 14px 20px;\"\u003e\n\u003cspan style=\"display: block; font-weight: bold; color: #c45100; font-size: 13px; text-transform: uppercase; margin-bottom: 4px;\"\u003eMechanics Tool Set Performance Note:\u003c\/span\u003e\n\u003cp style=\"margin: 0; color: #374151; font-size: 13px; line-height: 1.45;\"\u003eThe GEARWRENCH 84721N mechanics tool set delivers comprehensive coverage with 72-tooth ratchets, chrome alloy sockets, and combination wrenches. Built for professional technicians, its polished finish and rugged storage case provide exceptional durability and organization in any shop environment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"GEARWRENCH","offers":[{"title":"Default Title","offer_id":53065427255607,"sku":"84721N","price":106.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2274\/5945\/files\/Screenshot2026-10-13103451.png?v=1791908682","url":"https:\/\/www.1toptools.com\/products\/84721n","provider":"1 Top Tools","version":"1.0","type":"link"}