Ritchie Helmsman Compass Flush Mount (HF-743W)

HF-743W - Helmsman 3-3/4" CombiDamp Dial, Easily Installed, Fits 4" Mounting Hole, Exclusive Built-in Green NiteVu Night Illumination, Built-in Compensators to Easily Adjust for Deviation. Scientifically Matched Sapphire Jewel and Hardened Steel Pivot Dial Movement, Powerful DirectiveForce Magnets for Fast Heading Lock-on, Movable Sun Shield. 45 Degree Lubber Lines, High Temperature Composite Construction for Extended Operating Range, Custom Fitted Protective Covers Available, 100% Repairable.