Tie Down 86198 Poly Vinyl Trailer Roller End Cap 3.5 The Tie Down Poly Vinyl Roller End Cap is made of a high-quality, poly-vinyl material that is cut and fade resistant. Tie Downs rollers are ideal for a variety of boats and trailers. These products are designed to protect the boat from markings and absorb impact while withstanding both salt water and freshwater conditions. Tie Down PVC rollers are backed with a lifetime guarantee and proudly made in the USA. Features Keel end cap 58 Shaft Made