This discs are designed for high-speed cutting through wood and through many other construction materials, like concrete residues, plastic, plaster board, fibreglass, copper pipe. Efficiency is increased by removing the need to change blades. Solid steel wheel body greatly reduces risk of shatter and injury for added safety, diamond cutting edge is 100% contaminant-free, it does not wear down like bonded abrasives, reducing dust particles for a cleaner work station. Multi-purpose cutting disc is compatible with all angle grinders with features: diameter 125 mm; mounting 22.2 mm; R.P.M. max 12200. Suitable for wet and dry cutting.