Features:
1. Metric and Imperial: The scale can be switched by disassembling and flipping as needed.
2. You can use pencils, ballpoint pens, refills, and fountain pens as long as the diameter is less than 11mm (ordinary markers can only use blades or drawing needles).
3. Concealed backrest hanging platform, precise positioning and marking.

Specifications:
Color: Black
Material: Aluminum Alloy
Measurable range:
0-135mm(Metric)
0-5.5"(Imperial)

Package Included:
1 x HD27 Line Drawing Scriber