Cordless angle grinder cut off grinder series metabo w 18 disc diameter 125 mm weight 24 kg battery voltage 18 v type of battery li ion power supply battery operation idle speed max 8 000 rpm functions polishing grinding separating features soft start handle safety features protective casing restart protection overload protection battery capacity 3 ah tool holder m 14 charging time 2 h included in delivery filter allen key clamping nut 2 bat