The Bosch GWS13-50 5-in. Angle Grinder delivers more power than previous-generation models with the same size tool - 13 amps and 11,500 rpm. It has directed air flow that diverts dust away from vital components, and it has direct-motor cooling, giving it higher overload capabilities. For operator comfort and control, it sports a two-position Vibration Control side handle, making it less grueling to run. For user security, it an integrated acceleration sensor to limit inadvertent recoil and restart protection to protect against unintended startup. The grinder has constant electronics for easy starts, level operation and dependable speed under load. It has a burst-protection quick toolless adjustable guard and a large spindle lock for a more convenient disc change. The Service Minder brushes stop the grinder when preventative maintenance is required.