General Description This chrome vanadium (CR-V) steel chuck is designed to provide high hardness and wear resistance, ensuring exceptional durability and long service life after heat treatment. It is particularly suitable for a variety of electric and pneumatic tools. Technical Specifications Material: Chrome vanadium (CR-V) steel Capacity range: : 1.5 - 13 mm / 0.06 - 0.5 inch Threaded spindle: 1/2'-20UNF Compatibility and accessories Equipped with a 1/2' square female socket adapter 1/4' hex shank SDS shank for quick connection with various tools Installation To install the chuck, make sure it is properly attached to the drive tool and that the correct accessories are used to avoid damage. Usage This chuck is ideal for use with: Gyroscopic screwdrivers Cordless screwdrivers Impact screwdrivers Impact wrenches Angle grinders Caution: Do not use the chuck counterclockwise. When using with a hammer drill, be sure to adjust the gearing correctly to avoid chuck breakage.