Yakamoz Quick Change 1/4-Inch Hex Shank 0.8-10Mm Clamping, 24Unf Mount ¡ Yakamoz 0.8-10mm Capacity Keyless Drill Chuck with 1/4-Inch Hex Shank Quick Connect Adapter Conversion Tool - A great accessory for all your drilling tasks - This light-duty keyless chuck attaches to 1/4" hex drives - Allows screwdrivers with 1/4" Hex quick-change chucks to use round-shank drill bits - Traditional 3-jaw design with 3/8 maximum shank capacity - Conveniently tighten with one hand with the exclusive single sleeve design - Constructed from carbon steel and pc plastic for supreme durability. Specification: ? Shank Type: 1/4-Inch Hex Shank ? Design: Classic 3-Jaw Keyless Design ? Capacity Range: 0.8 - 10mm (0.08" - 0.39") ? Mount: 3/8"-24UNF ? Material: Carbon Steel PC Plastic Note: ? The product can NOT be used counterclockwise! ? Not suitable for impact drivers or applications involving high torque load! Package Included: 1 x Drill Chuck Class 3-Jaw Design - Allows you to effortlessly hold round-shank drill bits from 0.8mm to 10mm (0.03-0.39") securely. Keyless Design - Tool-free accessory allows you to quickly and easily lock and release. Quick Change Universal Fit- For use with any 1/4-inch hex impact driver, snaps easily into the power screwdriver. Ideal Drill Conversion Tool - Converts a cordless power screwdriver into a drill or grinder in seconds. It can NOT be used counterclockwise and NOT suitable for impact drivers or applications involving high torque load.