Ritchie Explorer (Bulkhead)

2 3/4" Easy to Read Direct Reading Dial Viewing is adjustable to 30 degrees 12V Night Illumination Built-in Compensators to Easily Adjust for Deviation Easily Installed, Fits 3" (7.62 cm) Mounting Hole. Scientifically Matched Sapphire Jewel & Hardened Steel Pivot Dial ..