Avanti Pro 4 inch Continuous Rim Diamond Blade | The Home Depot Canada Optimum bond matrix provides a faster, longer, smoother diamond blade., Highest quality diamonds. Maximum safe work speed of 15,300 RPM. Superior quality steel core. Makita 4 Inch Diamond Blade Makita 7 In. Continuous Rim Diamond Blade For General Purpose" - EZ 4 Inch Diamond Saw Blade The Makita 4 Continuous Rim Diamond Blade is ideal for general purpose cutting applications including porcelain, stone and tile. The continuous rim design is engineered for constant contact with the material to deliver a smoother finish than segmented and turbo blades Can be used wet or dry. Laser welded to ensure the strongest joint possible. Makita 2 Pack - 4 Continuous Diamond Blades For 4 Grinders & Circular Saws - Precise Cutting For Tile, Porcelain & Stone - 5/8, 20mm & 7/8 Arbors Superior quality steel core