Feature:1. PERFECT ACCESSORIES: Compatible with rotary tools such as for Dremel, for Wen, etc. Turn your rotary tool into a high speed chop saw and grinder2. APPLICABLE MATERIALS: The cutting wheel is of sharpness and strong, ideal for cutting gem, glass, ceramics, porcelain, tiles, carbide, rock, aluminum and copper3. WITH HOLES: All discs have breathing holes designed to reduce heat and remove debris during use, fast and practical4. WIDE APPLICATION: Compatible with most rotary and air tools, for refurbishment of concrete or orthopaedic hardener floors in industries, warehouses, parking lots, etc.5. 10PCS IN TOTAL: The package contain a total of 10pcs, enough for you to replace and use, very convenientSpecification:Item Type: Diamond Cutting WheelScope of Application: For renovation of concrete floors or orthopaedic hardener floors in industries, warehouses, parking lots, etc..Package List:10 x Diamond Cutting Wheel2 x Rod