13-Bit Super-Hard COBALT Drill Bit Set
- High carbon-steel shaft for strength without brittleness
- Cobalt-coated for incredibly hard cutting surface
- Easily penetrates stainless and spring steel--even Titanium!
- Cuts faster, last longer than high-speed steel bits
- 13 of the most frequently-used sizes, 1/16" to 1/4"; metal index box keeps bits organized & easy to find