$56.99 Black & Decker 16745 Bullet Rotary Masonry Drill Bit, 1/2-Inch by 12-Inch - Extra Long Drill 
Carbide Tipped Masonry Drill Bit 1/2'' - 53178 | Klein Tools - For Professionals since 1857
Shop Hitachi 3-1/2-in x 22-in Spline Hammer Drill Masonry Drill Bit for Concrete at Lowes.com
