yoyo made from quality aluminium alloy+, stable and balanced high speed routines. Super sand blasting finish surface 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 . High precision 10 pearl gold shaft is adopted for faster idling and service life. Elegant gift package for this alloy yoyo, which is a perfect gift for your kids, families and . Recommended daily practicing or competition. Using 6061 aluminum alloy and steel material , it is more stable against shock and drop, faster idling and life. The ball arm gradually forms a V shape near the center axis, and the tilt reduces friction, which makes the ball idling for a time. Name: Edge-x Spherical: butterfly Weight: 31.2G Diameter: 57.3MM Width: 41.4MM Shaft width: 4.36MM : High-precision 10-ball gold shaft color: White Material: + aluminum alloy Package Contents: 1 x ball 1 x gloves 5 x rope (random color Not accept designation) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.