Bosch GWS 18V-8 Professional Cordless Angle Grinder Set, 100MM (4″), 11,000 RPM Technical Data Battery voltage: 18.0 V No-load speed: 11,000 rpm Disc diameter: 100 mm Grinding spindle thread: M10 Bore size, diameter: 16 mm Weight excl. battery: 1.5 kg Included In Protective guard, 100 mm Pin-type face wrench Auxiliary Handle Clamping flange 2 x battery GBA 18V 4.0Ah Quick charger GAL 18V-40 Professional Carrying case