Fast and accurate cutting: The diamond cutting blade is to high temperature, which can reduce vibration and cut straighter and faster. It is and not collapse. It is multi-purpose, with small incision and is to cutting and wear. Scope of application: For smooth cutting, chamfering and grinding of glass, jade, crystal, wine bottle, ceramics, ceramic tiles and other materials. Easy to use: Designed for 100 angle grinder, it is easy to install and use, and can withstand the requirements of dry / wet cutting and long-time continuous cutting. Chip free cutting: The 1mm ultra-thin saw blade does not damage the of the object, with uniform grinding force and good flatness. Low grinding noise, less dust, less debris, cutting first-class! Product Name: grinding wheel Size: diameter 10cm / 3.93; Sand width 15mm; Inner hole 20mm; Thickness 1mm Colour:C: Material:Metal Package Contents: 5 set x Glass Cutting Disc 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.