Ritchie Helmsman Compass - Flush Mount - Black. These Compasses made by Ritchie feature a Ritchie Illuminated Helmsman Compass with Green NiteVu illumination that glows without a light source providing a clear view of the compass's direction even at night. Ritchie knows you make critical decisions at sea so they crafted this Ritchie Marine Helmsman Compass with heavy-duty steel parts and a powerful magnet system for fast heading lock-on that will guide you in the right direction even when a small deviation occurs. Plus it has a movable sun shield and an exclusive Ritchie NiteVu night illumination system that reads the compass's direction even in low light conditions. For added safety while at sea get this Ritchie Helmsman Illuminated Compass for your next nautical mission. Specifications for Ritchie HF-742 Helmsman Compass: Manufacturer: Ritchie Color: Black Features of Ritchie HF-742 Helmsman Compass 3-3/4" PowerDamp Flat Dial Easily Installed Fits 4" (10.16cm) Mounting Hole. (NOTE: Be sure you print the template Actual size) 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 Adapter Rings Available. Sold separately. 6" (15.24). Retrofits Existing Mounting Hole for Model No. HF-72 order H-ABLK. For Model No. HF-72W order H-AWHT 100percent Repairable Exclusive 5-Year Ritchie Warranty Approx. Shipping Weight: 2lbs (907g) Comes standard with 12V lighting. 24 & 32V lighting options are available. Some custom built OEM models may have different lighting. For all Helmsman built before 1992 please see the service manual page 5-14 or contact Ritchie for replacement lighting. Package Contents: Ritchie HF-742 Helmsman Compass Ritchie HF-742: HF-742 Helmsman Compass - Flush Mount - Black