Bosch GWS 18 V-10 SC 125mm/5\" Angle Grinder inc 1x ProCORE 8.0Ah Battery, 1x 6.0Ah Battery & GAL 18 V-160 Charger in L-Boxx The Bosch GWS 18 V-10 SC 125mm/5\" Angle Grinder has a intelligent fast brake system for the highest user protection that stops the disc after switching off in 2 seconds, and the electronic unit generates a polarity reversal inside the motor – thereby the rotor is retarded and disc stops. New keyless nut (consisting of an upper and a lower part) will further avoid spin-off; the lower part can rotate with accessory while the upper part is fixing the nut and disc on the spindle during braking process. FEATURES Highest material removal rate and cutting performance in its class per battery charge Next level of power & run time with 30% more power and 125% longer run time Next level of tool control with user protection drop control, FastBrake & KickBack control Anti-vibration handle, restart protection, soft start Highest robustness with detachable dust filter for a longer lifetime of motor EC Brushless motor Keyless nut for easy wheel change Bluetooth connection ready (GCY 30-4 tracking chip is required & sold separately) Speed selection via user interface SPECIFICATION Voltage: 18 v Disc Ø: 125 mm Bore Size Diameter: 22.2 mm No Load Speed: 4500 - 9000 rpm Weight: 2.8 kg Weight Exc Battery: 2 kg Spindle: M14 NOISE & VIBRATION Sound Pressure Level: 79 dB(A) Sound Power Level: 90 dB(A) Uncertainty K: 3 dB