Irwin 5/32 In. x 4 In. Impact Ready Masonry Drill Bit Gardening Tools Flared grip prevents hammer from

Flared grip prevents hammer from slipping off hand

Maintains very good cold weather flexibility

7/16' hex quick change impact shank fits 1/2' or larger electric drills or 7/16' hex impact wrench drill

with Perma-Shield coating that shields blade against heat

10% larger shank for added durability

Irwin 5/32 In. x 4 In. Impact Ready Masonry Drill Bit Gardening Tools Flared grip prevents hammer fromInnovative 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. Quick change shank is designed to work with impact drivers, and reduces slipping in standard drill chucks.