Contents: 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64",1/4" * 1/4" Hex shanks can be used with cordless tools * 13 Pc Titanium Hex Shank high speed drill bits set * Titanium Coating Hex shank for use with all cordless screwdrivers drills and screw guns