Marine trailer rollers

1.  Striped outer texture increases friction, stabilizes boat hull during loading and transportation, avoid side slipping.
2.  Made of premium polyurethane material, non-marking surface, effectively prevent scratches on boat hull.
3.  Soft outer buffer layer + rigid inner hub, balance shock absorption and load-bearing capacity.
4.  Resist aging, ultraviolet radiation and seawater corrosion, durable for long-term marine use.
5.  Standard through-hole design, convenient to mount on trailer shafts; fits most small boat trailers.