Features: -Made of high-quality carbon steel, it has higher hardness, wear resistance, impact resistance and longer service life. -According to the special thorn design, it has higher working efficiency and stronger performance. -Can be used for burring, grinding, carving and any other DIY works. -With universal applicability, it has a diameter of 100mm, a hole diameter of 22mm and a thickness of 18mm, suitable for most angle grinders on the market. -Suitable for non-metal, non-hard materials, wood, etc. Specification: Material: carbon steel Color: black Diameter: 100mm Hole diameter: 22mm Thickness: 18mm Package Included: 2x Grinding discs .