unresponsive yoyo made from aluminum alloy material, stable and balanced high speed routines. Super smooth sand blasting finish surface never fade and not easy to scratches. The butterfly sphere design increases the centripetal force during rotation by increasing the edge weight High precision shaft is adopted for faster idling and longer service life. Elegant gift package for this alloy yoyo, which is a perfect gift for your kids, families and friends. Recommended for kids daily practicing or competition. Spherical: Butterfly Weight: 65.1g Diameter: 56.8mm Width: 42.4mm Wheelbase: 4.6mm Style:#1 Colour:As shown Material:Aluminum alloy Package Contents: 1 * ball 1 * rope (random color, no specified color is accepted)