Vernier Caliper Ball Point Pen (0-100mm) NTN Gadgets

Multifunction Caliper Pen 0-100 Vernier Caliper Roller Ball-Point 1.0mm Plastic Student Stationery Gift Measuring Tools
Feature:
Can be used as a ruler or write, with black/blue refills available
Push-type ballpoint pen, easy to disassemble, replaceable refill, convenient for long-term use.

Specification:
Size: 0-100mm/0-3.9in
Pen head: bullet type 1.0
Material: plastic