Item Type: Glass Cutting Disc Product Use: Blade for glass grinding. Outer Diameter: Approx. 100mm / 3.94in Aperture: Approx. 22mm / 0.87in Sand width: Approx. 15mm / 0.59in Thickness: Approx. 1mm Product Material: Diamond, emery. Applicable Objects: For glass, ceramic, brick, crystal, etc.1Ideal Cutting: Comes with incisive edge and 4in large size, this cutter wheel enables clean and efficient cutting performance. 2Reliable Work: The saw blade is not easy to get stuck during operation, which ensures stable working under heat and high speed. 3Practical Use: Widely applied in the grinding and cutting on various materials, including ceramic, glass, stone, brick and more. 4Good Material: Thanks to the premium diamond material with high hardness, the cutter wheel has excellent durability for long use. 5Easy to Install: Light in weight and compact in size as well, the installation of this grinding wheel is very simple to finish. 3 xGlass Cutting Disc