A design that combines efficiency, reliability and serviceability.

1. Excellent power-to-weight ratio

2. Unique gas-charged piston maximizes hydraulic hammer efficiency

3. Simple, two-moving-parts design for reliability

4. Separate ports for the NPK Auto Lube (auto greasing) system and an airline for underwater use

5. Bottom tie rod nuts for easier serviceability (GH Models)

6. Quick-change tool system with single round retainer pin

7. Variety of tool configurations available

8. Replaceable cylinder sleeves prevent wear to the main body and are an easy economical solution when rebuilding

9. Anti-blank fire feature virtually eliminates dry firing for long hydraulic breaker life