Size - Diameter: 70mm, width: 24mm, bearing bore diameter: 8mm. Compatible with most inline skates, caster boards, and skateboards. Please verify compatibility with your skates before purchasing. High-quality Material - These inline skate wheels are made of high-elasticity, wear-resistant PU material, offering improved shock absorption and reduced risk of cracking. Provides excellent grip for safe skating with reduced slipping risk. Applications - Ideal for beginners, these wheels deliver a smooth and stable ride on both indoor and outdoor surfaces. Suitable for daily practice, recreational skating, skating competitions, and artistic skating. Package Includes - 8 inline skate wheels, sufficient for one pair of roller skates. High-performance elastic material ensures quiet and effortless movement. Well-suited for indoor training and casual skating, offering practical and reliable performance. Color: Black. Material: PU + Metal. Package Contents: 8 x Inline Skate Wheels. Only the items listed above are included; other accessories are not included. Note: Due to lighting and display differences, the actual color may vary slightly from the image. Measurement tolerance: +/- 1-3cm.