Product Efficient & Powerful --- The Edge Diamond Grinding Wheel is more wear-resistant than ordinary edge grinding wheels. It is simple, safe, and easy to use, and the high-quality coarse diamond surface ensures excellent performance on multiple surfaces.<br> Durable Material --- Made of high manganese steel and brazed diamond, it's designed for long life.<br> Fast & Precise --- Effortless operation, which makes it very comfortable and makes it possible to do the job faster and with greater precision.<br> Wide Use --- The Edge Diamond Grinding Wheel is designed for spot leveling, edge grinding, chamfering, and arc grinding of ceramic tiles, marble, granite, quartz stone, pebbles, masonry brick, concrete, and much more!<br> Can Be Used Dry or Wet --- Edge Diamond Grinding Wheel Especially for concrete outside wall in building or decoration. Edge Diamond Grinding Wheel-For Marble, Granite , Quartz , Ceramics , Artificial Stone And Glass-Ideal For Shaping, Stone Grinding, Polishing, Chamfering-Suitable For All Angle Grinders:<br> Material: High manganese steel material + Brazed Diamond<br> Arbor diameter: 7/8" (20mm)<br> Package Contents: 1PCS - Edge Diamond Grinding Wheel