Description This mini vernier caliper keychain is convenient and practical to use. Made from metal material, these keychains are sturdy and useful. The mini vernier caliper keychain is versatile tool that can be used for a variety of purposes. The unique pendant design, vernier caliper keychain is small and compact size, making it great accessory for different occasions. Features -Color:As Shown -Material:Zinc alloy -Size:10.50X3.00X2.20cm/4.13X1.18X0.86in -Measuring range: 0-4cm -The vernier caliper keychain is vintage style, small and delicate design, useful and decorative for various occasions. -Metal material made,vernier caliper keychain is excellentdurability, sturdy and practical, safe and excellent. -The vernier caliper pendant keychain serves as versatile tool for various purposes, easily meet your demands. -Small and compact size of the keychain makes it easy to carry around, suitable for different places. -Wonderful workmanship, unique design, pendant keychain is convenient and practical to use.Package list: 4 x vernier caliper keychains