Construction: Built to last, these mower wheels are made from robust materials designed to endure the demands of regular lawn mowing and deliver reliable performance season after season. Compatibility with multiple models: Designed to fit a wide range of KO lawn mowers, including KO 17, 5.18, 51.0, 51.7, 51.8, 527, 51.3, 51.4, and 51.5 5200 lawn mowers for use. Enhanced maneuverability: The innovative wheel design enables smooth rolling, making it easier to navigate tight corners and obstacles in your yard. Easy installation: Comes with clear installation instructions for quick replacement of old or damaged wheels without professional assistance. Use scenarios: Replacing worn wheels on a KO 17 mower to restore stable, easy pushing on uneven terrain. Upgrading models such as 51.0, 51.7, 51.8, and 527 to improve turning and maneuverability around garden beds and obstacles. Pre season maintenance on 51.3, 51.4, 51.5 5200 series to minimize downtime.