A convenient, palm-operated, air needle scaler for cleaning up metal surfaces, such as removing rust or heavy paint or similar applications.
 
Stroke Speed BPM: 4000.
Stroke: 22mm.
Air Consumption: 4.5 CFM.
Air Pressure: 90psi.
Needles: 19 x 3mm.
Length: 443mm.
Inlet: 1/4″.