Keep your shop vacuum mobile and stable with these FENXDN replacement caster wheels for 6 and 10-gallon Shop Vac vacuum 85L450, 86L300, and 90L400 models. This 4-pack of heavy-duty casters ensures smooth maneuverability while maintaining stability during operation. The wheels provide reliable support for your vacuum cleaner, making it easier to navigate around your workspace. Note that these casters are not compatible with vacuum cleaner model 4020. These replacement wheels are a practical solution for maintaining your shop vacuum's mobility when the casters wear out or need replacement. Perfect for workshops, garages, and industrial settings where frequent vacuum movement is necessary