Feature: 1. HEAT RESISTANT AND HIGH EFFICIENCY: Diamond cutting blades are more heat resistant than older models, reducing vibration and cutting straighter and faster 2. OF SHARPNESS AND WEAR RESISTANT: Diamond cutting blades are very of sharpness, will not collapse, and more wear resistant, can help you cut faster and improve work efficiency 3. SAFE TO USE: Diamond cutting wheel adopts diamond high manganese steel base, new brazing process, upgraded blade, more convenient, safer, more wear resistant, with longer service life, can withstand wet and dry cutting and long term continuous cutting a variety of working environments 4. SCOPE OF APPLICATION: Diamond saw blade is used for light cutting, chamfering and polishing of glass, crystal, wine bottle, ceramics, ceramic tiles and other materials 5. EXCELLENT PERFORMANCE: Diamond cutting disc is made with fine workmanship, possess compact appearance and stable performance, can make sure durability and stability Specification: Item Type: Diamond Cutting Disc Material: High manganese steel and diamond OD: Approx. 100mm / 3.94in ID: Approx. 20mm / 0.79in Emery Width: Approx. 15mm / 0.59in Thickness: Approx. 1mm / 0.04in Application: Glass, ceramic tile, crystal, wine bottle grinding or cutting. Package List: 2 x Diamond Cutting Disc