• 3 3/4" PowerDamp Plus, High-Visibility Blue Dial with Extra Large White Numerals
• Easily Installed, Fits 4" (10.16 cm) Mounting Hole.
• Built-in Compensators to Easily Adjust for Deviation
• Scientifically Matched Sapphire Jewel & Hardened Steel Pivot Dial Movement
• Internal Gimbal Systems for Maximum Stability During Adverse Pitch and Roll Conditions
• Powerful DirectiveForce Magnets for Fast Heading Lock-on
• Exclusive Built-in Green NiteVu Night Illumination in Movable Sun Shields
• Adapter Rings Included. 6" (15.24) Retrofits Existing Mounting Hole for Model No. HF-72/73.
• 45 Degree Lubber Lines
• High Temperature Construction for Extended Operating Range
• Custom Fitted Protective Covers Available
• 100% Repairable
• Exclusive 5-Year Ritchie Warranty

Recommended for high-speed and racing applications