Features: Ensures operation with our high quality, wear resistant universal wheel accessories designed specifically for J4 J5 001 robotic vacuum cleaner. The 360 degree rotation capability of the universal wheel design facilitates smooth and comprehensive cleaning, enhancing maneuverability in tight spaces. Suitable for business owners and indoor cleaning service providers who value maintaining environment in hotels, offices, and commercial venues. These replacement wheels are perfect for industrial facilities and commercial spaces, effortlessly handling the rigorous demands of workshop floors and busy supermarkets. Easy to install without the need for professional tool, these ABS material wheels are a must have for efficient maintenance and upkeep of your cleaning equipment. Specifications: Component:ABS Type:Without Bracket/With Bracket Size:Approx.4.5x3.7cm/1.77x1.46inch Package Includes: 2Pcs Vacuum Wheel note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.