ITI DRAUGHTMAN CIVIL TOOLS PRISMATIC COMPASS WITH STAND 110 MM DIA.

The compass When mounted on its tripod, the height of the compass is adjustable from a minimum height of 12 1/2 inches (31.7 cm) tall is a maximum height of 21 inches (53.3 cm) tallcan be threaded onto the lightweight surveyor's tripod with a ball and socket head using standard 3/4 inch x 24 threads
The compass measures 4 3/8 inches (11.1 cm) in diameter, 1 1/2 inches (3.8 cm) thick, and weighs one pound, 3 ounces (560 grams)
When mounted on its tripod, the height of the compass is adjustable from a minimum height of 12 1/2 inches (31.7 cm) tall is a maximum height of 21 inches (53.3 cm) tall