Features： 1、10PCS IN 1 SET: Including 10pcs diamond cutting wheels, sufficient quantity, easy to use and replace, suitable for most rotary tools and pneumatic tools. 2、GOOD PERFORMANCE: These grinding wheels are made of material, which has high hardness, wear resistance and good impact resistance. 3、WIDE APPLICATION: These round cutting wheels can be used with rotating tools for cutting, grinding, sanding and more for a wide range of applications. 4、STANDARD SIZE: These diamond grinding wheels have standard diameters, and equipped with connecting rods for easy installation and replacement. 5、APPLICABLE MATERIAL: Diamond cutting disc can be used to process wood, metal, stone, glass, plastic, soft metal, etc., with high efficiency and labor saving. Specification： Item Type: Cutting Disc Material: Synthetic Diamond Scope of Application: For the renovation of concrete floors or orthopaedic hardener floors in industries, warehouses, parking lots, etc. Package List： 10 x Diamond Wheels 2 x Connecting Rods