... integrated GFCI (operator,protector,circuit,breaker).2.360 degree adjustable 4" safety guard with integrated rubber aplash skirt.3.alumin bail ... handle,wrench and arbor nut assortment.4.extra carbon brushes (wearable replacement motor component).5.water ... into arbor.Application:At high speed,this is the ideal tool for fast stock removal using diamond grinding wheel,zero tolerance ...