["Features:\r\nAluminum Alloy Material Suitable for Heavy Duty Impact Drivers\r\nSpring Loaded Ball Bearing on for Head Holds Sockets Securely\r\nSuitable for Quick Change 1/4\" Chuck Systems or Directly into Drill Chuck\r\nChange Your Hand Socket Set Into A Driven Socket Set\r\nThis set is perfect for your impact driver or drill, and allows you to replace your ratchet with a power tool\r\nThese impact ready adapters are rated for the most demanding of applications\r\nThe 1/4\" hex shank fits all quick change chucks as well as standard drill chucks\r\nSocket Bit Adapter Drill Nut Driver Power Extension Bar 3pc Set 1/4\" 3/8\" 1/2\"\r\n\r\nSpecifications: \r\nMaterial: Chrome-vanadium Steel\r\nChromium Plating\r\nAll Sockets Standard 1/4\" Hex Shank\r\nSize:\r\n 1/4 x 1/4 x 65mm length ------ 1/4 \" shank can be converted to 6.35mm square head\r\n 3/8 x 1/4 x 65.8mm length ------ 1/4 \" shank can be converted to 9.4mm square head\r\n 1/2 x 1/4 x 68mm length ------ 1/4 \" shank can be converted to 12.6mm square head\r\nQuantity: 1 Set/3 Pcs\r\nNote:\r\nIt is manual measurement, there may be 1-2mm error,please to understand.\r\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nPackage includes:\r\n1 x (1/4\" hex shank to 1/4\" socket)Socket Adapter\r\n1 x (1/4\" hex shank to 3/8\" socket)Socket Adapter\r\n1 x (1/4\" hex shank to 1/2\" socket)Socket Adapter"]