The two spheres are consistent, reducing the data tolerance, thus ensuring the stability of the sphere during rotation, extending the sleep time, and suitable for 1A/3A/5A moves.<br> The unique 10-ball U-shaped shaft adopts high-precision bearings to reduce the functional wear of the yo-yo, and achieve more fancy and action.<br> Using secondary oxidation technology, superb process design, superior performance, matching PC top finger cover is a spherical shape that specifically challenges the top finger.<br> Diameter: 55.9mm<br> Width: 42.3mm<br> Shaft width: 4.59mm<br> Bearing: High precision 10 balls bearing<br> Recycling Sticker: Silicone<br> Surface treatment: bright surface<br> Screw specification: M4 x 16mm<br> Material: Aluminum Alloy + ABS<br> Package Contents:<br> 1 x Yoyo<br> Only the above package content, other products are not included.<br> Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store