
Description Universal: Approx. 6.35mm / 1/4 inch hex shank, ideal for electric impact drills converting hammer bits and quick change bits Size: Shank input connection size 0.3mm to 6.5mm general hex handle; Classic 3-jaw design securely holds a wide range of twist drill bits Versatile use on impact drills and electric motors to change jobs quickly and keep the job moving Constructed with all metal for supreme longevity. NOTE: The product can NOT be used counterclockwise