Operational versatility: Allows you to use a straight torsion drill bit with a spline- electric hammer to increase productivity. Suitable for all of electric hammers with SDS-plus/Hex/Square chucks. Economy and flexibility-Make full use of your current electric hammer. It is much cheaper than buying a second drill. It can be replaced quickly and easily for different drilling operations, saving two drill bits. DURABLE: The drill chuck is built with a steel metal sleeve for maximum rugged durability. Easy to use-Advanced keyless chuck with 2-13 mm opening for greater tool flexibility. Set up easily with the SDS-plus/Hex/Square adapter included in the kit. Fast and convenient-The keyless design allows you to quickly and easily move the drill bit in and out of the chuck by hand, and easily move from one bit to another, from task to task. Keyless Drill Chuck Quick Change Hand Drill Chuck FOR USE: Easily convert your hammer/impact wrench/impact Screwdriver into a drill rather than spending money having multiple. Colour:black Material:Metal Package Contents: 1 set x 1.5-13 mm 3-Jaw Drill Chuck Quick Change Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.