[Package Content]1 x Keyless Drill Chuck + 1 x Hex Shank + 1 x SDS Plus Shank. Mount Thread: 3/8-24UNF, Clamping Range: 0.8-10mm (1/32inch-25/64inch), Hex Shank Diameter: 1/4inch. The chuck can quickly connect to impact driver, no chuck key needed. It can NOT suitable for applications involving high torque load. [3-Jaw Design]The Quick Release Drill Chuck adopt a classic 3-jaw design, can easily hold round-shank drill bits from 0.8mm to 10mm securely. It is also a perfect drill conversion tool, allows quickly lock and release, which can convert cordless power screwdriver into a grinder or drill easily. [High Quality Material]The Impact Chuck Converter are made of high quality carbon steel, sturdy and , has good wear resistance and impact resistance. The has been polished, anti- and anti- oxidation, has stable performance and a long service life, can withstand a wide range of daily use. [Widely Application]The Chuck Adaptor can be used with any 1/4 inch hex shank drivers, compatible with various model corded and cordless drills,suitable for impact drills and electric drives, electric hammer, electric wrenches and other industrial household tools, widely used in cars, garages, warehouses, offices, home, etc. Colour:Photo Color Material:rubber+Metal Package Contents: 1 x Keyless Drill Chuck 1 x Hex Shank 1 x SDS Plus Shank 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.