Caster, 4″, Swivel/Locking, Flanged Type

Caster, 4″ Diameter, Flange Mount, 3-3/4″ x 2-1/2″ Flange with 4 Mounting Holes, Swivel. Locking Swivel and Wheel. for IMS Resin Bins, Item Numbers 137951, 122649, 122650. Bins Built Before 9/1/09 Were Built with Stud Mount Casters. See Item 128074.