Needle size : 3 x 123mm (12 per set).
Great compact design.

Stroke Length: 32mm
Blows Per Minute: 5500BPM
Air Requirements: 3 CFM / 90 PSI
Inlet: 1/4''
Overall Length: 290mm
Net Weight: 1.3kg
Sound Pressure: 86 dBA
Vibration Level: 7.67m/s²