The Bosch Bosch GGS 8 CE Professional Straight grinder is the powerful specialist tool for different surfaces. This model includes a powerful 750W motor with soft start that ensures fast work progress. The high torque of this model means it is ideal for grinding surfaces with flap wheels, brushes and other accessories. The KickBack stop feature detects when the tool is jammed and shuts it down immediately meaning you, the user, are fully protected from unexpected jams. The carbon brush lifetime has been significantly improved which means little servicing. The constant electronic feature means constant speed under heavy loads and the new clamping system makes for a secure fit of the grinding stones to ensure accurate work. No-load speed - 2500 - 8000 rpm Toolholder - Collet up to 8mm Rated power input - 750 W Power output - 420 W Spindle collar diameter - 43 mm Weight - 1.7 kg Length - 387 mm Height - 77 mm Max. collet diameter - 8 mm Max. grinding tool diameter - 50 mm Spanner size of locking nut - 19 mm² Spanner size of grinding spindle - 13 mm² Max. polishing tool diameter - 80 mm Switch - 2-way