Ritchie SuperSport Flush Mount Compasses , Black 4-1/2" PowerDamp Plus

• High-visibility blue PowerDamp Plus flat card dial with extra large white numerals
• Built-in compensators to easily adjust for deviation
• Scientifically matched sapphire jewel & hardened steel pivot dial movement
• Internal gimbal systems for maximum stability during adverse pitch and roll conditions
• Powerful DirectiveForce magnets for fast heading lock-on
• Exclusive built-in green NiteVu night illumination in movable sun shields
• 45° lubber lines
• High temperature construction for extended operating range
• Custom fitted protective covers available; see Related Products, below
• 100% repairable
• Exclusive 5-year Ritchie warranty