... structure,handy use and little air consumption. 6 hand-hold rock drill is a tool for the secondary ... weight,reasonable structure,handy use and little air consumption. Hand-hold rock drill, specificationsModelWeightkgLengthmmCyinder Dia.×StrokemmWorking pressureMPaImpact energyJImpact ... 33Y262665065×700.4-0.63≥30≥23≤47 hand held drill,hand drill,jack hammer drill ,hand hold rock drill Y018