This listing is for one SES Brand 5x1-1/4" swivel and rigid caster set designed to fit Rubbermaid Spring Platform Trucks 4611 and 4618, Utility Truck 4716, Cube Trucks 4614, 4616 and 4619. This set contains 2 replacements for Rubbermaid part 4614-L and 2 replacements for part 4614-L3.