- Length: 12",not 11-3/8" , diameter of mount hole measures slightly over 5/8" (About 0.65") to fit 5/8" shaft: 0.65" (Fits 5/8" Shaft).
- 1 pcs blue 12" self center keel boat trailer roller replaces the worn or damaged keel roller on your boat trailer.
- Constructed of PU: non-marring, works great in saltwater and freshwater. Stronger and longer lasting than rubber. Won't leave scuffs, scratches, or marks on your boat's hull.
- Guides keel to the center of your trailer as it rolls forward.
- Eases loading and unloading of your boat. Supports the keel of your boat as it rests on your trailer. Absorbs road shock while towed.
