Hf-743W Helmsman Compass Flush Mount - White

HF-743W - Helmsman. Helmsman Compass Features: 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,