good quality, competitive price, manufacturer, fast delivery,various types,modern design,OEM available,famous brand,certificated Model:BY-RH03input power: 750WNo-load speed:800rpmImpact Rate: 4500/minDrill capacity in steel:13mm in wood: 30mm in concrete: 24mmPackage size(6pcs):45.5x26x39cmG.W/N.W: 17/16kgcontainer(20"): 1950pcs