14PCS IN 1 SET: Including 4pcs skateboard replacement wheels, with standard size, has sufficient quantity for easy installation and replacement. 2WIDE APPLICATION: Can be used with banana board, small fish board, wooden fish board, etc., with strong compatibility and a wide range of applications. 3PU MATERIAL: Made of excellent PU material, has high strength and good toughness, high temperature and corrosion resistance, with long service life. 4SAFE OPERATION: These replacement wheels have good grip around the edges to ensure fast and glossy glide, helping to safely and steadily descend downhill. 5APPLICABLE GROUND: Can be used on all grounds, ramps, sidewalks, concrete or asphalt roads, etc., not easy to wear or deform, are good accessories.