Ritchie Globemaster Compass - Flush Mount - Black - 12V - 5 Degree Card. 88 cm) mounting hole PowerDamp performance dials 90 degree lubber lines for easy reading Full internal gimbals 12V green NiteVu lighting Optional night lighting available in 24V or 32V Spherical design with fiberglass reinforced bowl High-capacity roller diaphragm for extended temperature operating ranges 100percent repairable Exclusive 5-year Ritchie Warranty Package Contents: Ritchie FB-500 Globemaster Compass Ritchie FB-500: FB-500 Globemaster Compass - Flush Mount - Black - 12V - 5 Degree Card