About This Mop Bucket Caster: 3 inch mop bucket wheels non-marking thermoplastic rubber casters, 150 lbs load per caster, Stem Size: 1-19/32"x1.4" (15mmx36mm), Installation height: 3.9", Stem Type: Bayonet Easy to Install: Plug and play design, easy to replace, Pull out the old casters, then press the new 3-inch thermoplastic rubber casters into your mop bucket, Our Mop Bucket wheels make it easier to move bucket around Application: This set of 8 casters with socket-like stem design fit for Rubbermaid Commercial models 7570, 7571,7580,7581,7582,7583, Amazon Basics, Sam's Club brand mop buckets wavebrake, some Mop Wringer Trolley, Laundry Cart Floor Safe: The 3" diameter non-marking wheels with soft tread that protects your hardwood floor or carpet against scratch and provides quiet smooth rolling Note: This is AAGUT Brand Mop Bucket Casters, No logo of Rubber, Totally Fit for Rubber Mop Bucket Casters.Please confirm it is AAGUT brand before buying Overview Color : Grey Brand : AAGUT Material : Rubber, Thermoplastic Rubber Mounting Type : Stem Mount Load Capacity : 150 Pounds