Features: 100% brand new and high quality Name:Vacuum cleaner caster Premium caster wheel keeps your home robot operating at peak performance. Easy to install and replace the old,broken,loose,worn or missing front wheel casters. Recommended that the front caster wheel is regularly cleaned.Every one or two months depend on your cleaner usage. Only the caster wheel, other products are not included. Package Includes: 1x Front Castor Wheel Specifications: Material: Plastic Weight: 91g Size: As picture shows note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.