Model: GP940

Gison GP940 (made in Taiwan) is an air engraving pen.


  • It is used to write on hard steel, metal, glass, stones, ceramic, plastic etc.
  • Useful for debugging, to reshape the cut on the screw head or broken bolts to ease removal.
  • To obtain the best marking, hold the pen near the front at sharp angle.


Housing Steel
Stroke Length 1.2mm
Stroke Speed 34000 bpm
Net Weight 0.24 kg
Length 160 mm
Air Consumption 0.07 m3/min
Air Inlet 1/4″
Hose Size 6.5 mm
Sound Pressure 75 dBA
Air Pressure 90 psi
Vibration 2.5 m/s2

Additional information

Weight 1 kg

Power Source