Replace your old, dry-rotted, cracked boat rollers with high-quality Caliber PVC replacement rollers. Made of tough UV-resistant poly vinyl, this bow roller won't mar or scratch your watercraft. This flexible PVC roller is strong, cut-resistant, abrasion-resistant, and shock-absorbent for long-lasting service.• Spool-type bow roller• 3"L x 2-3/4" dia.• Fits 1/2" shaft Won't mar or scratch your watercraft Cut-resistant, abrasion-resistant, and shock-absorbent Fits 3" bracket and 1/2" shaft | Blue PVC Bow Roller, Fits 3" Bracket