You are on a trim job and you need a specific bit size you do not have — and the hardware store is 20 minutes away. The 40-piece set covers every size from 1/16 to 1/2 inch so you are never caught without the right bit for the job. HSS TiN (titanium nitride) coated bits stay sharper longer than uncoated HSS when drilling stainless steel, copper, and aluminum. 1/16 to 1/2 inch fractional sizing covers the full range of most residential and light commercial drilling. Metal index case mounts on the truck box or workbench for fast, organized retrieval. Key Specs Piece count: 40 bits Size range: 1/16 to 1/2 inch (fractional) Material: HSS with titanium nitride coating Storage: Metal index case Standard in finish carpentry and remodeling crews across northeast Nebraska and northwest Iowa — what Stocked at Crofton Lumber and Akron Lumber.