RYOBI Impact Rated Drill Bits are built to withstand the tough demand that comes with certain drilling applications. The RYOBI 3-piece Impact Rated Masonry Set ranges from 5/32 in. to 1/4 in. in diameter and can be used to drill into brick, block, concrete, and mortar. The bits are 4 in. in length and have a 135° reinforced carbide tip. Each bit can be used in an impact driver, rotary hammer or hammer drill