Manufacturer: Ritchie Navigation B-51
Bracket-mounted Explorer compass by Ritchie is adjustable and removable for security with easy thumbscrew attachments. 2-3/4" direct read dial with internal green night illumination. Built-in compensators, easy adjustment for deviation. Fast heading lock-on, scientifically matched sapphire jewel and hardened steel pivot. Moveable sun shield. Black. 5 year manufacturer's warranty.