Features Brazing process makes these grinding wheels ensures that these grinding wheels have a higher efficiency and longer lifespan than electroplated wheels. 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. The abrasives are incisive and wear resistant, ensuring that they do not fall off easily. The grinding wheel can be used with angle grinder. Both dry and wet use, convenient operation. 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