COMPACT AND SLIM DESIGN.USER BENEFITS:Particularly handy due to compact design.Vario-Constamatic (VC)- Electronics for work with materials requiring customised speeds, which remain almost constant under load.Thumbwheel for Speed Preselection.Electronic safety shutdown of the motor for safe working in case the tool stops unexpectedly.Restart protection: prevents unintentional start-up after power supply interruption.Electronic overload protection for long service life.Precise collar for stationary use.Slim design for ideal handling.Precision collet for precise concentricity.Metabo Marathon motor with patented dust protection for long service life.