Adjustable Vernier Caliper Keychain Key Ring
A real, working and moving Vernier Caliper. Great fun to use, can measures up to 4cm!
Features:
Movable vernier keyfob.
Compact design, easy and convenient for you to take.
Suitable for portable use and decoration.
Unique and practical, make you stylish and draw a lot of attention.
Specifications
Material Alloy
Vernier Length 5cm
Package Contents 1 x Vernier Keychain