Adopt diamond high manganese steel , new brazing process, upgrade and improve the blade, which is , more convenient and has a service life. The cutting speed is fast, the incision is flat, and it is not easy to . For cutting, chamfering and grinding of glass, jade, crystal, wine bottles, , tiles and other materials. 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 cuts. size: 100mm Material: Diamond high manganese steel colour: green Package Contents: 5 x Glass Cutting Disc Only the above package content, other products are not included. Note: Light 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.