Detail 2pcs 1.5-10Mm 1/16 Inch-3/8 Inch Capacity Drill Wrench Wrench Converter 1/2 Inch Square Socket Female Adapter and Heavy Duty Design, Special Quenched Key Parts Enhance Durability, Strong Impact Resistance. With a 1/2-inch impact wrench to use, the 3/8-inch handle allows you to lock and release the bits to help you hold on to tasks at work. Classic wrenched 3-jaw design securely holds a wide range of twist drill bits and step drills with 1/16-inch-3/8-inch shank1/2-inch square female socket adapter can easily transform the impact wrench into a drill. Name: drill bits drill chuck setShank type: 1/2 inch square female Socket adapterMounting: 3/8-24UNFUnote: the chuck cannot be used counterclockwise! Color: BlackMaterial: Metal Size: 1.5-10mm Package Contents: 2 x Drill Chuck2x1/2 Inch Square Female Socket Adapter2 x WrenchOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.