good quality, competitive price, manufacturer, fast delivery,various types,modern design,OEM available,famous brand,certificated Model:BY-RH04input power: 650WNo-load speed:900/minImpact Rate: 4400/minDrill capacity in steel:13mm in wood: 28mm in concrete: 26mmPackage size(6pcs):46x33x52cmG.W/N.W: 17/16kgcontainer(20"): 1400pcs