1. These are 10PCS 608CE ceramic longboard inline skate skateboard bearings. They are made of highquality ceramic material, which smooth and fast rotation, reducing friction and enhancing skating performance. 2. With a size of 8x22x7mm, these bearings are specifically designed for longboard and inline skate applications. They fit perfectly and provide reliable support for smooth rides. 3. The 608CE ceramic bearings are durable and longlasting. Their ceramic construction ensures resistance to wear and corrosion, allowing them to maintain excellent performance over time. 4. They precise rotation, enabling skaters to execute turns and maneuvers with ease. The smooth operation of these bearings enhances control and overall skating experience. 5. Ideal for both beginners and experienced skaters, these 10PCS 608CE ceramic bearings are a great addition to any skateboard or inline skate setup, upgrading the performance and enjoyment of skating.