A versatile solution for grinding operations on construction materials and stone surfaces. Compatible with compact angle grinders such as the Proxxon. Suitable for use on Porcelain and Ceramic Tile, Granite and Engineered Stone (Quartz), Natural Stone, Marble For Dry Use Grits: Available in #50, #120, and #200 Compatible Tool: Proxxon LWB/A Cordless Long Neck Angle Milling/Drilling Unit