Features: Soldering process: The diamond-grinding discs adopts the soldering process. Compared with the electroplating diamond-grinding wheel, it has a higher efficiency and a longer service life without sand loss. Easy to use: under a variety of harsh conditions, performance is still excellent, wet and dry, easy to use, this diamond-grinding wheel can be used in conjunction with an angle grinder. Both dry and wet use, convenient operation. Wide Use: Suitable for angle grinder, electric drills and other tools. Application: suitable for grinding quartz-stone, marble, granites, ceramic, artificial stone and glass etc., especially suitable for concrete outer wall, floor local smoothing and edging, chamfering and rounding of marble and granites decorative panels in construction decoration, resharpening the arch. Notice: 1.Actual color may be slightly different from the image due to different light effect. 2.Please allow 1-3cm deviation due to manual measurement. Description: Material: diamond-material Height: 2.0cm Outer Diameter: 7.3cm / 2.87in Hole Diameter: 2cm / 0.79in Package List: 1X 20mm Braze-Diamond Grinding Wheel