For working with fibre-reinforced, resin-bonded cutting discs, The cut-off clip guard is simply attached to the existing guard of the angle grinder, EN/EC 60745, Material: plastic, Cordless angle grinder: Suitable for all Metabo angle grinders Ø150mm, Mains-powered angle grinder: Suitable for all Metabo angle grinders Ø150mm (from year of manufacture 2008), except for flat-head angle grinders