The BLACK & GOLD Impact Ready Metal Drill Bits feature a strong tapered core design that provides xtreme durability to resist breakage, a 135 split point tip design to help reduce walking on sizes 1/8" or larger, along with a black and gold finishing to prevent rust. Designed with a 1/4" Hex Shank, these bits are compatible with most drills and impact drivers and are best used to drill through metal, wood, and PVC. Set includes: (2) 1/16", (1) 1/8", (1) 3/16", (1) 1/4", (1) 5/16", (1) 3/8"