FEIN angle grinders, with disc diameters from 7  to 9-1/16  in[mm]. FEIN's large angle grinders are available in a number of versions and in two design classes up to 2,500 Watts. Hardly any other power tool combines more application technologies than the outstandingly robust, high-performance FEIN angle grinders: their patented QuickIN rapid-clamping system, patented electronic brake and ergonomic shape make them the perfect tool for working in any conditions. We are especially proud of one patent: the electronic brake system. It automatically keeps you safe while working.