yoyo made from quality aluminium POM, stable and balanced high speed routines. Super smooth sand blasting never fade and not easy to scratches. The ball arm gradually forms a V-shape near the central axis, tilting to reduce friction, which makes the ball idle longer. High precision 10 pearl gold shaft is adopted for faster idling and longer service life. Elegant gift package for this alloy yoyo, which is a for your kids, families and friends. Recommended for kids daily practicing or competition. Using 6061 aluminum alloy and POM steel material POM, it is more stable against shock and drop, faster idling and longer life. Spherical: butterfly Weight: 31.2G Diameter: 57.3MM Width: 41.4MM Shaft width: 4.36MM Bearing: High-precision 10-ball gold shaft Material:POM+ aluminum alloy colour:black Package Contents: 1 * Yo-Yo 5 * rope (Random color, don't accept the specified color) 1 * gloves Only the above package content, other products are not included. Note: Light reflection 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.