Supersport™ CompassesDeveloped for and tested on offshore race boats the SuperSport Series compasses feature the PowerDamp Plus dial. This dial technology features the PowerDamp dial skirt to prevent oscillation, larger DirectiveForce™ magnets for quick lock on and extra-large steel pivots and jewels for smooth fast action. 5 PowerDamp Plus, High-Visibility Blue Dial with Extra Large White Numerals Easily Installed, Fits 6-1/4 15.88cm Mounting Hole. NOTE Be sure you print the template Actual size . Built-in Compensators to Easily Adjust for deviation Internal Gimbal Systems for Maximum Stability During Adverse Pitch and Roll Conditions 12V Green LED lighting Standard 100% Repairable Exclusive 5-Year Ritchie WarrantyApprox. Shipping Weight 5lbs 12oz 2.6kg NOTES 12 volt lighting standard 24 32 volt lighting options are available.SS-5000s built prior to 1992 may have used different replacement lighting. See service manual pages 7-32 7-33 or contact our Service Department