Features Diamond brazing process makes these grinding wheels higher efficiency and longer life than electroplated diamond wheels. The grinding wheel can be used with angle grinder. The diamond abrasives are sharp and wear resistant, not easy to fall off. Both dry and wet use, convenient operation. Suitable for grinding quartz stone, marble, granite, ceramic, artificial stone, glass, especially for concrete exterior wall in building decoration, edging and chamfering of marble and granite decorative plates. Specification:Item Type: Brazed Diamond Grinding Wheel Material: Diamond Height: 1.0cm, 1.5cm, 2.0cm, 2.5cm (Optional) Outer Diameter: 7.3cm / 2.87in Hole Diameter: 2cm / 0.79in Package List:1 x Grinding Wheel Package List 1 x Grinding Wheel