Weight: 26kgInner Dia. Of air pipe: 19mmOverall length: 650*534*125Inner Dia. Of the water pipe: 13mmDia. Of cylinder: 70mmStrike power: ≥30JStroke: 70mmAir consume of rock drill: ≤47L/SRock drill frequency: ≥23HZNoise: ≤124(db)Idling rotational speed: ≥200r/minDia. Of rock drill hole: 34-42mmWorking water pressure: 0.3-0.35MpaDepth of rock drill hole: 5mmChecking tail size: 22*108mm