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.4-1/2" PowerDamp Plus, High-Visibility Blue Dial with Extra Large White NumeralsEasily Installed, Fits 4.75" (12.06cm) to 5.125" (13.02cm) Mounting HoleBuilt-in Compensators to Easily Adjust for DeviationInternal Gimbal Systems for Maximum Stability During Adverse Pitch and Roll Conditions12V Green LED lighting standard45 Degree Lubber Lines100% RepairableExclusive 5-Year Ritchie WarrantyApprox. Shipping Weight: 2lbs 10oz (1.19kg)Notes: Comes standard with 12V lighting. 24 & 32V lighting options are available. Some custom built OEM models may have different lighting.