Heavy duty die grinders with high power motor. Suitable for grinding and facing work using brushes, flaps, discs and points. Improved tool life due to the "Super Joint System - SJS", absorbs the shocks created by accidental wheel lock during operation to protect gear, collet and coupling for longer tool life. Power input: 750W. Collet Size: 8mm or 1/4". No load speed: 1,800 - 7,000rpm. safety critical worksites demand the correct speed use of flap wheels making these grinders very popular throughout all industries