IVY Classic 38162 Diamond Plus 4-1/2-Inch Dry and Wet Tile Cutting Continuous Rim Diamond Blade with 7/8-5/8-Inch Arbor, 1/Card Designed for precise, smooth cutting of ceramic, marble, slate and granite tile Diamond Plus Blades - a highly reliable blade at a lower price for small to medium cutting jobs Dry and wet cutting turbo continuous rim State of the art automated manufacturing technology Arbor: 7/8-inch - 5/8-inch, Rim Width: 1.9mm, Rim Height: 5.5mm, Max RPM: 13,300