Overall: 4 3/4 x 1 1/2 x 1/4 in. ( 12.1 x 3.8 x 0.6 cm )
Brass and iron caliper; oval grip and upper half of each adjustable leg made of brass, and lower half of each leg made of iron.
Calipers were measuring tools used for determining, for example, the thickness or diameter of an object.
Due to ongoing research, information about this object is subject to change.