Mechanical Gear Train Ruling Pen Vintage Set Gear Drawing Pen Interchangeable Wheels Gear Train Four Specifications

Mechanical Gear Train Ruling Pen Vintage Set Gear Drawing Pen Interchangeable Wheels Gear Train Four Specifications Description

1. Exact Mechanical Gear Linkage Design

This ruling pen adopts delicate gear train transmission structure. It ensures steady ink flow when drawing straight lines, effectively avoiding uneven lines and shaking marks, which brings smooth drawing experience for all kinds of drafting work.
2. Four Swapable Dotting Roller Attachments
The drawing set is matched with four interchangeable dotting wheels. You can replace rollers freely to draw dotted lines, dashed lines and regular decorative patterns, satisfying different making needs in design creation.
3. Multi-scene Professional Drawing Tool
It fits architectural sketching, engineering drafting, graphic design and hand-drawn pattern layout. Suitable for architecture students, industrial designers and manual drawing lovers to finish study and studio creation.
Color: As Shown
Material: Metal

Package Contents:
1*Gear Drawing Pen