Specifications:Features: - Diamond high density, grinding sharp will not fall sand, durable.- Grinding high precision, good flatness, longer service life.- Small size easy to carry, easy to use.- Suitable for models, diamond ring, watches and clocks, glass processing and other precision machining.Model: Brazing Grinding DiscsMateria: DiamondColor: SilverOutside Diameter: 100mmInside Diameter: 20mmThickness: 2mmPackage Weight : 85 G / 3.00 OuncesPackage Dimensions (L*W*H) : 180*150*3 MM / 7.09*5.91*0.12 InchesRetail Packaging: Yes, Blister PackagingPackage Include:1 x Brazing Grinding Discs