Diamond core Drill,core Drill,engineering Drill,professional quality,Drilling for concrete,granite etc.With CE,GS certificateModel No.:Z1Z-CF02-80Max Drilling diameter:80mmVoltage:220v/50HzInput power:1500wNo-load speed:950/2100rpmPackage size:51x30x40cmpcs/ctn:2G.W./N.W.:19/14kgs