The 1.27 cm square female socket adapter can convert a power impact wrench into a drill bit; a tool-free accessory allows you to lock and release quickly and . thrust , unique easy-to-grip performance translates into greater clamping force.Convert a cordless electric screwdriver into a drill or grinder in a few seconds.The perfect accessory for all your drilling operationsUniversal SDS Plus chuck for cordless electric screwdrivers.Thread installation, the chuck is suitable for installation on any 3/8-24UNF thread adapter.Screws are used to tighten the adapter and chuck.Keyless design, no need to tighten the chuck.Can be tightened with one hand. Make hand work more convenient.To install the drill bit, the from the front of the tool, twist it to connect to any SDS plus impact driver, and then loosen the .specification:Handle type: SDS-PlusDesign: Classic 3-claw keyless designcolour: black + grayMaterial: Metalsize: 0.8-10mmPackage Contents: 1 * 10mm automatic chuck1 * 10mm electric conversion head1 * 10mm hexagonal post1 * 10mm round handle postNote: This product cannot be used counterclockwise! Not suitable for impact drives or applications involving high loads.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.