Detail Keyless 0.5-3mm Drill Jaws Drill Chuck 1/4 Inch Cubic Thread Screwdriver Adapter Kit Power Tool Controller Turn any cordless screwdriver or impact wrench into a drill or grinder. Eliminate the need to buy a new set of screwdriver bits. Easily change between drilling and driving. , this product is your best choice. Don't hesitate. It's time to replace your old, worn-out, damaged product. Mounting Diameter: 0.5-3mmDriver Cord: 1/4 inch Hex.Ca Short Length: 4.7cm. Material: MetalColor: Silver, BlackWeight: 30gQuantity: 1 PiecePackage Included: 1 x Hexagonal Drill ChuckOnly 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.