SuperSport SS-PR2 Bulkhead Mount Compass: The SuperSport SS-PR2 is designed primarily for power boats 16 ft. (4.88m) to 35 ft. (10.66m) in length. SuperSport Compass Features: 3-3/4" (9.35cm) CombiDial. 12V green LED Night Lighting. Compensators included. 4-5/8" (118mm) to 4-13/16" (122mm) mounting hole. Adapter plate available to retrofit existing HV-76 and HV-77 installations. Vertical mounting angle through 40 degrees. Protective front cover included. Exclusive 5-year Ritchie warranty.