Specification:

Chisel Shank(in): 0.4
Bore Diameter(I.D.): 3/4" (19mm)
Stroke Length:3-5/8"(92mm)
Blow per Min. (RPM): 2,200
Sound Level dB(A): 101
Air Pressure (PSI): 90
Air Inlet (NPT): 1/4"
Avg. Air Cons. (CFM): 6