ITEM NAME:3x Socket Adapter Set Hex Shank to Impact Driver Drill Tool 1/4 3/8 1/2 Inch Descriptio n Specification: Material: High Carbon Steel Colour: Black Size: 150 mm Product List: 3 * DRILL SOCKET Adaptor Converts any drill into a nut driver. 1/4" Hex quick release shank. 1/4", 3/8" & 1/2" Square socket drives. Overall length - 150mm. Spring ball socket retention. CRV Steel construction. Industrial black finish. Note: 1.Please allow a little size error due to manual measurement. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. High quality buy, happy buyï ¼ 3pcs Drill Socket Adapter BIts Set Hex Shank 1/4" 3/8" 1/2" Impact Driver Tools.3pcs Drill Socket Adapter BIts Set Hex Shank 1/4" 3/8" 1/2" Impact Driver Tools. 1/4" Hex quick release shank. Product List: 3 DRILL SOCKET Adaptor. Converts any drill into a nut driver. We'd like to settle any problem in a friendly manner.