Specification:

Pen needles Material : Alloy steel

Main Color : Silver

Impact frequency: 16500RPM

Ferquency: 0.28CFM

Air consumption: 0.08（m3/min）

Working pressure: 90Psi

Air inlet size: 1/4""

Size: Φ18x132L

Air Supply:

recommended air pressure for this tool is 90 Psi. Higher pressure will cause excessive wear on the tool's internal parts and shorten its life . Water in the air line will cause damage to the tool.Drain the air tank and line daily or as often as necessary,depending on weather on weather and temperature conditions.

Package Include:

1 x Engraving Pen

2 x Wrench