Helmsman CompassFeatures: 3 3/4″ (95 mm) Open Face Dial or CombiDial Easily Installed, Fits 4″ (102 mm) 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 Approx. Shipping Weight: 2lbs (907g)Notes: Comes standard with 12v lighting. 24 & 32v lighting options are available. Some custom built OEM models may have different lighting. Features & Specifications Manufacturer Part Number: HF-742 UPC: 0010342138262 Dimensions: 8 × 8 × 7 Category: Marine Navigation & Instruments | Compasses / General Accessories | Compasses, Sextants, Binoculars & Charting Lubber Lines = Yes | Read = Rear | Mounting Style = Flush | Backlight = Yes 100% repairable 3-3/4" dial 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 Custom fitted protective covers available Exclusive 5 year warranty Card: Flat Color: Black Light: Green Mount Type: Flush Accessories 28181|36372|71086 H-741-C|H-ABLK|SH-0126-820