5.4 amp, 620 watt motor for rapid results in common 5/32" and 3/16" diameter holes

Mode selector dial (drill-only and hammer-drilling) for flexibility within a range of applications

4.2 lbs and 11.4" in length, Hitachi's lightest and most compact SDS hammer for greater ease of use and maneuverability

Quick bit insert for easy accessory changes

Slip clutch prevents damage to gears caused by excessive torque

Idle strike restrictor prevents hammering while tool is in no-load operation, prolonging tool life and reducing no-load vibration

Internal pressure adjustment minimizes variations in internal pressure for stable hammering operation and efficient drilling

Push button reverse switch to back out bits with ease

Lock-on speed button to reduce user fatigue during continuous operation

Removable side handle with ruled depth gauge improves control and ensures accurate drilling depth