13pc Quick change Titanium Drill Bit Set Hex Shank Drill Bit Set Power BITS - Great additional To Complete a Missing Bit Set SPECIFICATIONS: Quick change 1/4" Hex shank Professional high quality - Titanium Drill Bits for Quick Change 1/4" Hex shank Built Specifically For Longer Lasting than Standard Bit Sets Sizes Included: 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"