Explorer Compass. Explorer Compass Features 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. 100% Repairable. Exclusive 5-Year Ritchie Warranty. Approx. Shipping Weight 1lb 454g . Notes 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. Explorer Compass Features 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 s Built-in Compensators to Easily Adjust for Deviation. Scientifically Matched Sapphire Jewel Harden Powerful DirectiveForce Magnets for Fast Heading Lock-on. Movable Sun Shield High Temperature Composite Construction for Extended Operating Range 100% Repairable Exclusive 5-Yea