Diablo 5/16 In. x 2-1/4 In. Carbide-Tipped Stone, Glass & Tile Drill Bit Concrete it is fully polished and

it is fully polished and chrome plated for rust resistance and easy cleaning

buyer assumes all responsibility for safety and use not in accordance with directions

No cut overflow tube adjusts from 8

deep-reaching control that kills fire ants where you see them and where you don't

Enhanced enamel holdout for exceptional performance under eggshell

Diablo 5/16 In. x 2-1/4 In. Carbide-Tipped Stone, Glass & Tile Drill Bit Concrete it is fully polished andDiablo made carbide tip withstands impact for maximum durability & superior life versus standard tile & stone hammer drill bits Multi Ground carbide tip delivers stability and accuracy required for fast, precise hole drilling 3 Flat Shank eliminates spinning in drill chucks Maximum performance in cordless and corded drill drivers