Set contains a 5/32, 3/16, 1/4, 5/16, and 3/8 bit. Diablo Multi-Material Carbide Tipped Hammer Drill Bit range provides faster starts and longer life in tile, masonry, concrete, wood and metal. Optimized with a unique brazing and hardening process, the carbide tip extends life and productivity, allowing users to drill faster holes. The multi-ground Grip Point tip design allows for aggressive starts that produce clean, fast holes in a variety of applications. This range is Impact Strong for increased shank stability and durability in cordless and corded impact and drill drivers.