Kreg DB55 Foreman 3/4 HP Semi-Automatic Pneumatic Pocket Hole Machine Powerful semi-automatic pneumatic pocket hole machine Lever operated; 1-second cycle time 3/4-horsepower pneumatic motor; automatic air clamping 90-120 PSI recommended; minimum compressor capacity of 5.3 cfm at 90 PSI Manufacturer's limited 30-day warranty