Multi hammer with 4 functions: hammer drilling, drilling without impact in two speeds and chiselling Metabo Quick: quick change between SDS Plus hammer chuck and keyless chuck for drilling in wood and metal Vario-Tacho-Constamatic (VTC)-Full Wave Electronics for work with materials requiring customised speeds, which remain constant under load Thumbwheel for preselection of the speed and impact rate Two-speed gear unit: two drilling speeds for effective drilling in wood and metal Metabo Marathon-motor with dust protection for long service life High performance hammer action, precisely mounted in a housing made of aluminium alloy: long-lasting and robust Perfect ergonomics thanks to the centre of gravity being near the hand and optimised handle contour Bottom switch protected against damage and dust Metabo S-automatic safety clutch: mechanical decoupling of the drive for safe working should the drill stop unexpectedly Restart protection: prevents unintentional start-up after power supply interruption Lockable switch for comfortable working in continuous operation Cable-protecting ball joint for optimal freedom of motion when working