{"title":"Proto","description":null,"products":[{"product_id":"proto-7-16-hex-to-1-2-square-drive-adapter-j7121","title":"Proto - 7\/16\" Hex To 1\/2\" Drive Adapter, 7121","description":"\u003ch2\u003eProto 7121 7\/16\" Hex to 1\/2\" Square Drive Adapter\u003c\/h2\u003e\n\u003cp\u003eThe Proto 7121 is a precision-machined extension bit adapter that converts a 7\/16\" hex shank to a 1\/2\" male square drive. One-piece construction with special heat treat delivers extended durability, while pin socket retention ensures secure fastener engagement. At 2-3\/4\" overall length, it's a compact, reliable adapter for utility, industrial, and field applications.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConverts 7\/16\" hex shank to 1\/2\" male square drive\u003c\/strong\u003e for expanded tool compatibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin socket retention\u003c\/strong\u003e for secure, reliable fastener engagement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-piece construction with special heat treat\u003c\/strong\u003e for extended durability under demanding use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision machined tips\u003c\/strong\u003e ensure proper contact and reliable performance on fasteners\u003c\/li\u003e\n\u003cli\u003eCompact at \u003cstrong\u003e2-3\/4\" overall length\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: J7121\u003c\/li\u003e\n\u003cli\u003eInput Drive: 7\/16\" hex shank\u003c\/li\u003e\n\u003cli\u003eOutput Drive: 1\/2\" male square\u003c\/li\u003e\n\u003cli\u003eOverall Length: 2-3\/4\"\u003c\/li\u003e\n\u003cli\u003eRetention: Pin socket\u003c\/li\u003e\n\u003cli\u003eConstruction: One-piece, special heat treat\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAdapting 7\/16\" hex drive tools to 1\/2\" square drive sockets and accessories\u003c\/li\u003e\n\u003cli\u003eUtility and lineman field work requiring drive conversion\u003c\/li\u003e\n\u003cli\u003eIndustrial maintenance and construction applications\u003c\/li\u003e\n\u003cli\u003eAny application requiring a compact 7\/16\" hex to 1\/2\" square drive adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePart Number: \u003cstrong\u003e7121\u003c\/strong\u003e | Vendor: \u003cstrong\u003eProto\u003c\/strong\u003e\u003c\/p\u003e","brand":"Proto","offers":[{"title":"Default Title","offer_id":56852384219302,"sku":"7121","price":9.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9656\/7718\/files\/Proto_-_7_16_Hex_To_1_2_Drive_Adapter_J7121.jpg?v=1784750268"}],"url":"https:\/\/pec.techlinetools.com\/collections\/proto.oembed","provider":"Techline Tools","version":"1.0","type":"link"}