RYOBI introduces the Impact Rated Masonry Set (3-Piece). RYOBI Impact Rated Drill Bits are built to withstand the tough demand that comes with specific drilling applications. The RYOBI 3-piece Impact Rated Masonry Set ranges from 5/32 in. Dia. - 1/4 in. Dia and can be used to drill into brick, block, concrete and mortar. The bits are 4 in. L and have a 135 reinforced carbide tip. Each bit can be used in a hammer drill, rotary hammer or an impact driver. This kit includes 3 carbide tipped high speed steel bits. For more things RYOBI.