Description Bosch Cordless Impact Driver GDX18V-200C (4.0Ah) Ready for all applications, thanks to 2 in 1 bit holder: ¼” internal hex and ½” square drive Powerful use even in hard to reach areas thanks to best head length to torque ratio Bluetooth Connectivity module for tool feedback, soft start and service information via mobile device SUPPLIED WITH: L-BOXX 13 Quick charger GAL 1880 CV 2 X battery ProCORE18V 4.0Ah No-load speed: 0-3,400 rpm No-load speed (1st level):    0-1,100 rpm No-load speed (2nd level):    0-2,300 rpm No-load speed (3rd level):    0-3,400 rpm Torque settings:    3 Weight excl. battery:    1.2 kg Torque, max.:    200 Nm Impact rate:    0-4.000 bpm Impact rate (1st level):    0-2,300 bpm Impact rate (2nd level):    0-3,400 bpm Impact rate (3rd level):    0-4,000 bpm Tool holder:    1/4″ internal hexagon and 1/2″ external square Screw diameter:    M 4 – M 14