PICQUIC 95010 Clutch Set 3/32, 5/32, 3/16, 1/4" 4 - 3" Bits and interlocking Bitpacs in the set Standard Clutch SAE sizes: 3/32", 5/32", 3/16", 1/4" Bits are universal 1/4" hex to fit power drivers Chrome-Moly finish