Ritchie Explorer Compass - Flush Mount - White. Ritchie Compass manufactures these Compasses with a matched pair of sapphire jewels and a hardened steel pivot and they have powerful directiveforce magnets for fast heading lock-on. Plus the Ritchie Explorer Compass has internal green night illumination so that you can easily read the reading regardless of your surrounding lighting. This Ritchie F-50W Ritchie Compass is a scientifically matched pair of sapphire jewels and a hardened steel pivot with a movable sun shield. If you get a little tripped up the built-in compensators will easily readjust and the movable sun shield ensures you can still accurately read the directional cues. Get your Ritchie F-50W Mounting Compass today and go explore the world around you. Specifications for Ritchie F-50W Explorer Compass: Manufacturer: Ritchie Color: White Features of Ritchie F-50W Explorer Compass 2-3/4" Easy to Read Direct Reading Dial Easily Installed Fits 3.75" (9.53 cm) Mounting Hole. (NOTE: Be sure you print the template Actual size) Internal Green Night Illumination Built-in Compensators to Easily Adjust for Deviation Scientifically Matched Sapphire Jewel & Hardened Steel Pivot Dial Movement Powerful DirectiveForce Magnets for Fast Heading Lock-on Movable Sun Shield High Temperature Composite Construction for Extended Operating Range 100percent Repairable Exclusive 5-Year Ritchie Warranty Approx. Shipping Weight: 1lb (454g) Comes standard with 12V lighting. 6 & 24V lighting options are available. Some custom built OEM models may have different lighting. Contact Ritchie for replacement lighting. Package Contents: Ritchie F-50W Explorer Compass Ritchie F-50W: F-50W Explorer Compass - Flush Mount - White