Product Overview
Alfa USA Masonry Drill Bit, 1/2" Diameter, 4" Overall Length, 1/4" Shank Diameter, Carbide-Tipped, Slow Spiral, Black Oxide Finish, 130° Point, Made in USA, 6 per Envelope. Alfa Tools MDBL60506 1/2 x 4 x 1/4 Black Masonry Drill
