Usage Tips:This complete power tool conversion kit includes a keyless 3/8inch drill chuck, an SDS-Plus shank, a hex shank, and an impact wrench adapter Instantly convert impact driver to hold non-quick change drill & driver bits. Keyless chuck finger-tightens for easy bit changes. 3-Jaw Design - Allows you to effortlessly hold round-shank drill bits from 0.8mm to 10mm securely, effectively preventing drill bits loose off. SDS-Plus/Hex/Square female adapter for electric hammer/impact wrench/electric drill. Mount: 3/8inch-24UNF. / Compatible Devices Electric screwdriver, Electric drill, Hammer drill, Electric hammer, Impact wrench Thread Size 1/2inch Included Components This complete power tool conversion kit includes a keyless 1/2inch drill chuck, an SDS-Plus shank, a hex shank, and an impact wrench adapterThis complete power tool conversion kit includes a keyless 1/2inch drill chuck, an SDS-Plus shank, a hex shank, and an impact wrench adapter Colour:black Material:Metal Size:0.8-10mm/1.5-13mm Package Contents: 1 set x keyless chuck for impact driver 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.