1PC Vernier Caliper Roller Ball Pen Stationery Ball-Point Blue/Black Refill Vernier Caliper Tools

Features:

* Caliper design allows to measure length or thickness.
* It is manily used for measuring and writing, especially for your children and office.
* Durable use and engraved graduations that will not fade over time. Clear and easy to read.
* Completely meet daily needs. The portable size means it's easy to carry out for both indoor and outdoor work.
* 2 in 1 vernier caliper and ballpoint pen function. It is safe, non-toxic and harmless, making your work more efficient.