Features: 1. There are no hole spacing issues for the wheels, if you choose the right size, you can install them easily. 2. Not easy to wear, flexible rotation, quiet, durable, load-bearing. 3. Made of high quality rubber and metal for durability, low noise and longer life. 4. Suitable for suitcases, roller skates, caster boards, scooters, etc. Quiet operation, anti-wear and shock absorption. 5. Available in 4 sizes. Before placing an order, please check the wheel size, bearing size, axle size. Note: Due to different monitors and lighting effects, the actual color may be slightly different from the picture. Due to manual measurement, please allow 1-3 cm deviation. Description: Material: Rubber+Metal Size: 60*18mm; 70*24mm; 76*24mm; 80*24mm Color/Style: As Picture Included: 1 Pair of Spinning Wheels Replacement 1 Set of Tools (Not Including Luggage)