Advanced Materials: Using diamond, brazing process, upgraded and improved discs, more convenient, , and longer service life. Easy To Use: Designed for use with the Model 100 angle grinder, it is easy to install and use and can withstand the demands of dry/wet cutting and long continuous cut. Product name:Cutting Discs Size:(.) 75mm/3Inch Hole diameter:10mm Optional Size:75x10x1.0mm Suitable for:cutting ceramic, glass, ceramic tiles, wine bottles, jade, crystal; cleaning the gaps in the middle of the floor tile; cutting thin metal: cast iron, Angle iron, square pipe, color steel. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Green Material:diamond Package Contents: 3 * Cutting Discs Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.