This 1460 Coastal Series model features a 0° pole rake with a locking collar and a 54" length. These lights have fixed pole light heads with either 0° or 5° pole rake and single locking or threaded collar. The Reduced Glare advanced globe design helps preserve night vision by reducing the amount of light wasted outside of the visibility zone and offers improved visibility when in rough water and from above. Certified for use on Power Driven Vessels under 20 meters in length. Locking collar fits figures 1045, 1046, 1047, 1059, and 1060 bases and the threaded collar fits figure 1048 two-pin base from Perko's Recreational Catalog.