3" Rubbermaid Mop Bucket Replacement Casters - Set of Four

Wheel diameter: 3"

Tread width: 7/8"

Load capacity: 150lbs.

Features: Non-marking & safe for all types of floors

Fits Rubbermaid Items:  6186-88, 7470-00, 7480-00, 7480-71, 7570-88, 7576-88, 7577-79, 7577-88, 7578-88, 7579-00, 7580-21, 7580-79, 7580-88, 7588-88, 7590-88, Q050-00, Q900-88, Q930-00, 1791797, 1887305, 1933367, 1980602, 2001585, & 2012823