This solid brass Medium-Sized Pocket Compass is standard pocket compass. It has a small lever on the side of the compass that operates a needle lift mechanism to protect the compass bearing. The compass is the diameter of a standard pocket compass, Size-Compass: 2.5 x 2 x 0.8 inches, Leather Case: 3.5 x 3 x 0.8 inches. This compass is beautifully crafted from solid brass. BRAND-MAH