Features: This Yoyo can develop imagination, creativity, quick reactions, motor skills, and hand-eye coordination. Made of 6061 alloy + environmentally friendly material, flexible, shockproof and drop-proof, more stable. The two spheres are aligned to reduce data tolerance, ensuring the stability of the sphere during rotation and extending the time for 1A/3A/5A tricks. The ball arm gradually forms a V-slope near the middle to reduce friction and make the ball spin longer. Uses high-quality bearings to reduce the functional wear and tear of the yo-yo and achieve more imaginative styles and movements. With secondary oxidation technology and exquisite craftsmanship design, it is a sphere specially designed to challenge your fingers. Equipped with professional yo-yo string, sturdy and durable. Specifications: Color: As shown Material: Alloy + ABS Diameter: 55.9 mm Width: 42.3 mm Axle Width: 4.59 mm Bearing: High-quality 10-ball bearings Surface: Glossy surface Screw Specifications: * 16 mm Applicable Trick: 1A, 3A, 5A Package Size: 8.5 * 6 * 4.7 cm Package Weight: 100 g Package List: 1 * Yoyo ball (with string)