good quality, competitive price, manufacturer, fast delivery,various types,modern design,OEM available,famous brand,certificated Model:BY-RH01input power: 750WNo-load speed:880rpmImpact Rate: 0~5180rpmDrill capacity in steel:13mm in wood: 30mm in concrete: 26mmPackage size(6pcs):41x33x29cmG.W/N.W: 19/18.5kgcontainer(20"): 2100pcs