Description: Brand New And High Quality. Features: The Wheel Is Made With The High Quality Diamonds For Longer Grinding Life,High Hardness And Effecient Due. Fine Steel Wheel Ring With ABS Plastic Injection, Through HighTech Electroplating Refined. The Diamond Sand Is Uniformly United And Resistant To Wear, And It Is Not Easy To Throw Sand. Diamond Flat Grinding Wheel Suitable For Grinding/Cutting Super Hard Materials, Such As: Gem Stones, Granite, Marble, Glass, Wolfram Steel, Hard Alloy, Ceramic, Etc. Specifications: Material:Diamond+ABS Color:As Shown Diameter:150MM(5.9x) Hole Dia:25.4MM(1inch) Grit:60#,80#,100#,120#,150#,240#,320#,400#,500#,600#,800#,1200# Package Include: 1PCS X Diamond Grinding Wheel