<ul><li>This light-duty keyless chuck attaches to hex drives</li><li>Allows screwdrivers with Hex quick-change chucks to use round-shank drill bits</li><li>Traditional 3-jaw design with 3/8 maximum shank capacity</li><li>Not suitable for impact drivers or applications involving high torque load</li></ul> Product Description Allows for round shank drill bits to be used in 1/4" hex quick-connect shank. From the Manufacturer The Rockwell RW9275 3/8-inch keyless 3-jaw chuck will let you go from driving to drilling instantly. Simply pop the -inch hex quick connect into your driver and start drilling. Dont go buy a whole new bit set for your driver, just use this Rockwell 3-jaw chuck and instantly adapt your -inch hex driver to a drill for round shank bits.

Rockwell RW9275 3/8-inch keyless drill chuck for ¼” Hex Drives