SPECIFICATION:
Housing: Steel
Carbide Stylue Tip
Stroke Length: 1.2 mm
Stroke Speed: 34,000 bpm
Net Weight: 0.24 kg
Length: 160 mm
Air Cons.: 0.07 m3/min
Air Inlet: 1/4"
Sound Pressure: 75 dBA
Air Pressure: 90 psi (6.3 kg/cm2)
Includes 1pc air engraving pen, 1pc replacement stylus tip, 1pc male connector, 1pc hose, 2pcs spanners

FEATURES:
1)Powerful pneumatic engraving pen, great for fossil work.
2)Small size, light weight, pen design. Easy to use with one hand.
3)Heavy duty stainless steel housing ; Special alloy steel pen needle. Great tool for firearm detailing.

APPLICATIONS:
Great for engraving on Metal, Stone, Glass, Marble, Jewelry, Wood, Stone, Porcelain and other hard materials.

How to start:
Just need to tap the tip on something ever so lightly and then it will start up.