good quality, competitive price, manufacturer, fast delivery,various types,modern design,OEM available,famous brand,certificated Model:BY-RH05input power: 780WNo-load speed:750/minImpact Rate: 3700/minDrill capacity in steel:13mm in wood: 40mm in concrete: 26mmPackage size(6pcs):46x33x36cmG.W/N.W: 27/25kgcontainer(20"): 1650pcs