2 Pack 76mm, Inline Skate Wheels Indoor/Outdoor Roller Skate Wheels, Roller Blade Skating Wheels LIGHT DUTY WHEELS-- These wheels are mainly used for luggage, training wheels or indoor roller skating. Not recommended to use on uneven ground. STURDY MATERIAL-- These roller skate wheels adopted superior PU, wear-resistant & solid. Designed with 82A hardness, offers durable use experience. Its high performance bearings ensure a smooth and comfortable ride. If the inner buckle of the wheel core is loose, it is recommened you could add a little bit of paper between the white plastic lip and the bearing to better fix the wheel. PRACTICAL & HANDY-- High-tech elastic material makes it movements easy. Perfectly suitable for indoor daily practice, recreational skating, extremely handy and practical, making you enjoy the skating time. Note: The data are manual measurement, please allow a 1-3cm error, due to the differences between the light and the display, there will be a certain color difference, the specific received in kind prevail.