3 Piece Rapid Reload Rotary Masonry Bit Set The DeWalt 3 piece rapid reload rotary masonry bit set is an extremely durable and useful attachment. Use this to increase your efficiency and decrease your work time. Superior build quality means you will be using this bit for years with minimal wear and tear. A must have for any professional or do-it-yourselfer. Features: Carbide tip aggressively penetrates surfaces Includes: DW2572: 5/32" Rotary Masonry Bit DW2573: 3/16" Rotary Masonry Bit DW2574: 1/4" Rotary Masonry Bit Specifications: Diameter: 5/32", 3/16", 1/4" DEWALT is firmly committed to being the best in the business, and this commitment to being number one extends to everything they do, from product design and engineering to manufacturing and service.