AASIYA Brown Antique This solid brass Medium-Sized Pocket Compass is standard pocket compass size but still fits easily in your pocket. 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: 50mmX18mm, Leather Case:2.5x2.5x1inches.. This compass is beautifully crafted from solid brass.