About this item

• Titanium nitride (TiN) coated bits last up to six times as long as uncoated bits, 115-piece set features 29 fractional bits from 1/16-inch to 1/2-inch in increments of 1/64-inch
• Cool cutting titanium nitride construction
• Tough high-speed steel bits
• Bits last up to six times as long as non-coated HSS bits
• Bits come in a rugged indexed steel case