"Ritchie Navigator Steel Boat Compass Brand New Includes Manufacturer's Warranty, Product # B-200P The Ritchie B-200P is a Navigator Steel boat compass with a built-in compensators to easily adjust for deviation
This metallurgical device has hardened steel pivot and sapphire jewel movement and it also has 45 degree lubber lines for easy reading. The fully gimballed system for maximum stability during adverse pitch and roll conditions. It also has movable sun shield and power directive force magnets for fast heading lock-on. B-200P Features: Full Internal Gimbals, Card: 5°, Lubber Lines: 45°, Movable Sun Shield, Navigator Steel Boat Compass, Dial Diameter: 4-1/2"", PowerDamp Performance Dial, Built-in Compensator, 12V Green NiteVu Lighting, Powerful Directive Force Magnet, 100 Repairable, Hardened Steel Pivot Dial, Sapphire Jewel Movement"