[Size & Diameter] - 58mm in diameter, 32mm in width, equipped with ABEC 9 bearings and spacer. The inner diameter of the bearing is 8mm and the outer diameter is 22mm. Please verify these specifications before purchasing. Bearings and spacers are pre-installed on the wheels. [82A Hardness for Outdoor Performance] - With 82A hardness, these wheels offer a balanced combination of grip and softness. They are soft enough to absorb small bumps while providing a smooth roll, making them ideal for hard or rough outdoor surfaces. The added flexibility allows skaters to easily roll over minor obstacles such as small stones, cracks, and debris. Suitable for beginner skaters on smooth or hard surfaces, offering stable and controlled performance. Color: Purple Material: PU Size: 58mm x 32mm Package Contents: 8 x Roller Skate Wheels 1 x T Tool Note: The package includes only the items listed above. Other accessories are not included. Due to lighting effects and differences in display screens, the color of the item may vary slightly from the images shown. Measurement error is permitted within +/- 1-3cm.