Features :

Quick lettering, use for flexible and comfortable.

Pen needles is made of special alloy steel, good durability.

Depending on the difference of material ,depth can be up to 1mm.

Works great on metal, wood, plastic, glass, stone, porcelain and other hard material.

This configuration is great for marking tools, parts and more.

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