1.Double insulation 2.stepless Speed 3.aluminum gear housing 4. ... : 850WRated frequency: 50HzNo-load speed: 450r/minAccessories1 pcs mixer rod, 1 pcs wrenchAdvantagesIt is easy to operate and the operator is ... intact, the leading power tools products series include electric drill, impact drill, hammer drill, angle grinder, die grinder, polishing machine, jig ...