• Free of Iron, Sulphur and Chloride • OSA certified, in accordance with EN12413 • 3911- series 5 star quality: • High performance discs for cutting all types of stainless steel and metal • Extended product life resulting in less downtime and waste • Optimal material removal rate • Reduced risk of muscle fatigue due to low vibration • 3912- series 4 star quality: • Great performance discs for cutting all types of stainless steel and metal • For general purpose cutting in metal • Long product life