Operational versatility: Allows you to use a straight torsion drill bit with a spline-driven 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 rotary drill. It can be replaced quickly and easily for different drilling operations, saving two drill bits. Long service life-Industrial-grade professional adapter made of high-quality steel, ultra-durable structure to meet the needs of frequent use. 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. 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 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.