indestructible disc Smooth Chip-Free Cutting--indestructible disc for grinder，It cuts with extremely high precision, leaving your material clean and chip-free. It is suitable for chamfering, grinding and smooth cutting of jade, crystal, metal, ceramics, tiles and other materials. indestructible disc for grinder angle grinder cutting disc，The Indestructible Disc is compatible with angle grinders, and can be easily installed and used for dry or wet cutting, as well as long-time continuous cutting. angle grinder cutting disc indestructible disc is a necessary and indispensable tool in every family High quality diamond raw material Heat dissipation hole design 0.08 inch thickness New brazing process