7" High Performance Diamond Masonry Blade The DeWalt 7" high performance diamond masonry blade 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: High Performance diamond matrix provides 200x"s the life of conventional abrasives and enhanced material removal Thinner kerf to increase speed of cut while minimizing dust Specifications: Diameter: 7" Edge Thickness: .090" Segment Height: 7 mm Arbor Size: 5/8, 7/8, Dia" Application: Masonry Cutting Max rpm: 8700 Pack Quantity: 1 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.