Specifications Product Type: Diamond Grinding Wheel Wheel Diameter: 3 Inches Thread: 5 8"-11 Groove Profile: U-Shaped Concave Groove Groove Width: Approximately 20mm Grinding Method: Wet & Dry Compatible Tools: Compatible Angle Grinders & Hand Drills with Appropriate Adapter Applications: Stone Edge Shaping, Rounding, Chamfering & Grinding Durable One-Piece Construction: Made with heat-treated high-carbon steel and a vacuum-brazed diamond grinding surface, this 3 inch diamond grinding wheel is designed for demanding stone shaping and edge grinding work. The integrated construction provides stable performance during extended use 20mm U-Shaped Groove for Curved Edges: Features a 20mm concave U-shaped groove designed for rounding, shaping and smoothing curved stone edges. The profile helps remove rough edges and burrs efficiently while creating a more consistent rounded finish 5 8"-11 Thread for Easy Installation: The standard 5 8"-11 threaded connection is compatible with many angle grinders for convenient installation and replacement. It can also be used with compatible electric hand drills when paired with the appropriate adapter For Marble, Granite & Other Stone: Suitable for shaping, chamfering, rounding and edge grinding on marble, granite, quartz, ceramic tile, concrete, cobblestone and other compatible masonry materials. Useful for DIY renovation projects and professional stoneworking applications Wet & Dry Grinding Performance: Designed for both wet and dry grinding applications, with a balanced construction that helps provide stable operation and controlled material removal. Suitable for edge shaping, rough grinding and preparation work before finer polishing