Small circumference barrel grip for easy handling. Shaft lock for easy wheel changes. Easier repairing of gear section assembled with key. High performance motor and high heat resistance. Continuous rating Input : 840W Net weight : 2.1kg (4.6lbs) Power supply cord : 2.5m (8.2ft) Overall dimensions - (L x H x W) : 271mm x 139mm x 106mm No load speed : 11,000rpm Capacity : Depressed center wheel: 125mm (5"), Abrasive disc: 125mm (5"), Diamond wheel: 125mm (5") Spindle thread : DIN type Standard Equipment : Depressed Center Wheel, Lock Nut Wrench, Grip.