Irwin Impact Masonry Bits 1/8" (3,1mm) x 4" (101mm) Size:1/8" x 4" All packed 2 per carton

All packed 2 per carton except 17 gauge 1/4 mile is 4 per carton

crimped rotating snap-lock™ collar fits into wall outlet

Drop-forged alloy steel with induction hardened and hand-honed cutting edges

Go Green Power

Designed for mounting shelves in closets

Irwin Impact Masonry Bits 1/8" (3,1mm) x 4" (101mm) Size:1/8" x 4" All packed 2 per cartonInnovative pressed carbide tip with aggressive cutting angles for faster drilling and longer bit life One piece construction withstands higher torque loads than standard quick change bits Black oxide finish resists corrosion and increases life of bit 1 4" quick change shank is designed to work with impact drivers, and reduces slipping in standard drill chucks