Name:Drill Chuck Adapter Material:Carbon Steel Color:Black Size:42 x 115mm Capacity: 2-13mm Instantly convert impact driver to hold non-quick change drill & driver bits. Keyless chuck finger-tightens for easy bit changes. Greater clamping force, effectively preventing drill bits loose off, more reliable. Quick-change SDS shank for electric hammer. Mount: 1/2-20UNF. Widely used in automotives, garages, warehouses, offices, homes etc. Greater clamping force, effectively preventing drill bits loose off, more reliable. Comfortable jacket , with a strong grip, easy to grip, making the output torque becomes larger Package Contents:1 x SDS chuck 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.