RitchieSport Compass. RitchieSport Compass Features. 2 5.08cm Direct Reading Dial. Easily Installed, Fits Standard 2-1/16 Instrument Hole. View Adusts up to 30 degrees. Scientifically Matched Sapphire Jewel Hardened Steel Pivot Dial Movement. Exclusive Built-in Green NiteVu Lighting. High Temperature Composite Construction for Extended Operating Range. DirectiveForce Magnets. Exclusive 5-Year Ritchie Warranty. Approx. Shipping Weight 5oz 142g . Notes X-21 Compasses do not have Built-in Compensators. Comes standard with 12V lighting. Some custom built OEM models may have different lighting. Contact Ritchie for replacement lighting. RitchieSport Compass Features. 2 5.08cm Direct Reading Dial Easily Installed, Fits Standard 2-1/16 Instrument Hole. View Adusts up to 30 degrees Scientifically Matched Sapphire Jewel Hardened Steel Pivot Dial Movement. Exclusive Built-in Green High Temperature Composite Construction for Extended Operating Range. DirectiveForce Magnets Exclusive 5-Year Ritchie Warranty Approx. Shipping Weight 5oz 142g Notes