The two spheres are consistent, reducing data tolerance and ensuring sphere stability during rotation, extending sleep time and suitable for 1A/3A/5A movements. The unique 10-bearing U-shaped axle uses high-precision bearings to reduce functional wear on yo-yo and achieve more advanced tricks and movements. With the help of secondary oxidation technology, fantastic process design, superior performance, matching PC fingertip protection is a spherical shape that specifically challenges the fingertip. Diameter: 55.9 mm Width: 42.3 mm Axle width: 4.59 mm Bearings: High-precision 10-bearing Recycling label: Silicone Surface treatment: Polished surface Screw specification: M4 x 16 mm Material: Aluminum alloy + ABS Package content: 1 x Yo-yo Only the above package content is included, other products are not part of the package. Note: Light photography and different screens may cause the color of the product in the picture to slightly differ from the actual. The allowed measurement error is +/- 1-3 cm. Our products are made from high-quality materials and designed to provide you with the best possible user experience. We strive to ship all orders within three days after purchase, and the estimated delivery time is 8-15 days. When shopping, pay attention to the product's size and dimensions to ensure they meet your needs. In the title and description, we have provided detailed information about the product, including its features and specifications. We want you to be completely satisfied with your purchase, so if you have any questions or concerns, feel free to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it