Metabo 600465620 13.5 Amp 5" Angle Grinder Universally applicable system for low-dust grinding Indoors and outdoors New, patent-pending Metabo long-life motor with up to 50% more torque and up to 20% higher overload capacity for quicker material removal and longer service life Tacho-Constamatic (TC)-Full Wave Electronics: fast work progress by means of constant speed under load Metabo S-automatic Torque Limiting Clutch: minimizes kick-back to the lowest level when the disc jams unexpectedly - for maximum user protection and swift progress Aluminum flange for long service life using heavy Accessories, E.G. Diamond discs