3-Piece Wood Bit Set
Grooved hex shank prevents slipping in drill chuck or bit extension. Double spurs scribe the outside of the hole which reduces "break out". Shorter length allows for access between studs & rafters or inside cabinets. Drills straight holes in tight areas. Contains 1/2-inch, 3/4-inch & 1-inch Diameter By 4-inchShort Length Wood Boring Bits.