Bow Stop Polymer 1/ 2D Shaft 1.5x3 Base 3.5Hx4L
Resilient, non-marring, molded Poly Vinyl bow roller. Allows boat to be snugged down on the trailer. Spins freely to reduce drag while launching your boat. Unaffected by oil, gas or salt. With proper care, should last the lifetime of your trailer! 1/2" shaft.