4″ Swivel Poly Poly Top Plate 4″ x 4-1/2″ 72PP40 Offering exceptional quality, functionality, value and availability This caster class is most recognized and commonly used
5″ Swivel Polyurethane Steel Top Plate 4″ x 4-1/2″ 72PU50 Offering exceptional quality, functionality, value and availability This caster class is most recognized and commonly used
6″ Rigid Poly Steel Top Plate 4″ x 4-1/2″ 82PU60 Offering exceptional quality, functionality, value and availability This caster class is most recognized and commonly used
6″ Swivel Poly Steel Top Plate 4″ x 4-1/2″ 72PU60 Offering exceptional quality, functionality, value and availability This caster class is most recognized and commonly used
8″ Rigid Poly Steel Top Plate 4″ x 4-1/2″ 82PU80 Offering exceptional quality, functionality, value and availability This caster class is most recognized and commonly used
8″ Swivel Poly Steel Top Plate 4″ x 4-1/2″ 72PU80 Offering exceptional quality, functionality, value and availability This caster class is most recognized and commonly used
