1. PERFECT GRIP - The tires are featured with a super hump to stop the cleaner from hanging up, and used in pools with abnormally high main drains. 2. WIDE COMPATIBILITY - 896584000-143 Blue Front Tire Replacement fit for 2X, pool cleaners 2X,4X and Pressure Side Automatic Pool Cleaners. 3. BETTER DURABILITY - Made of high-quality heavy-duty rubber, and -.This front and rear tire kit replacement with super hump is designed for 2X, 4X and pressure pool cleaners. For pools where the main drain is unusually high. The tires are made of materials, which means the product has a long service life. It is used on the front and rear tires to keep the vacuum from hanging. Please note, only for replacing tires with super humps. 4. Easy install - Replacing the front and rear pool cleaner tires are pretty straightforward. just the old tires and replace the new,no need other tool. 5. Application - it can be applied in pools with abnormally high main drains, it is applied on the front tires to prevent the cleaner from hanging up. Material:rubber colour:blue Package Contents: 2 * tires Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.