Helmsman Steel Boat Compass Features 3 3/4' PowerDamp Dial Special Reinforced Bracket with Quadrantal Correctors Hardened Steel Pivot and Sapphire Jewel Movement 45 Degree Lubber Lines Full Internal Gimbals Exclusive Built-in Green NiteVu Lighting Built-in Standard Compensators and Booster Magnets on Base Movable Sun Shield 100% Repairable Exclusive 5-Year Ritchie Warranty Approx. Shipping Weight: 6 lbs (2.72 kg)