THESE CASTERS HAVE SOLID ALUMINUM WHEELS THAT THE WERE CONSTRUCTED WITH A FAULTY RUBBER STRIP FOR PROTECTING FLOORS. THEY ARE PERFECTLY USABLE BUT NO FLOOR PROTECTION. PLEASE SEE PICTURES
Set of 4 aluminum casters with a plate, diameter 1-7/8" and weight rating of 20kg (44 lbs each). Stands 2-1/2" Tall. This caster has no brake.