The Ritchie HF-743 Helmsman Compass is easily installed in a 4” mounting hole.

Features

• 3 3/4″ CombiDamp Dial
• Easily Installed, Fits 4″ (10.16 cm) 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
• 100% Repairable
• Exclusive 5-Year Ritchie Warranty