The Makita HP1641K Percussion Drill dual purpose for Rotation only and Rotation with hammering (with keyless drill chuck). New reversing system allows extended service life of carbon brush; no power reduction even in reverse rotation. It is fitted with a large trigger for easy operation. It is supplied with a side handle, depth stop and a carry case. Specification Input Power: 680 Watt. No Load Speed: 0-2,800/min. Impact Rate: 0-44,800/min. Capacity: Masonry: 16mm, Steel: 13mm, Wood: 30mm. Weight: 2.0kg.