Directional Desk Compass This is an antique reproduction of a solid brass lightly distressed air-damped compass The brass compass is 4 3/4 inches (12.1 cm) in diameter and is mounted on a heavy beautifully-finished solid hardwood base that is 5 1/2 inches (14.0 cm) in diameter and 9/16 inch (1.4 cm) thick The base has three feet, and the compass and base is 2 inches (5.1 cm) tall and weighs over 1 pound (454 grams) The compass needle has long, balanced air paddles mounted perpendicular to the needle to allow stable readings There is a needle lift thumbscrew to secure the compass needle while in transport