Material: aluminum alloy Color: 5 colors available Diameter: 52mm Width: 40.16mm Wheelbase: 4.45mm Bearing: high precision 10 gold beads Package List 1 *Yoyo 5 *Strings 1 *Glove 1 *Instruction Due to the lighting effects and shooting angles, there is a color difference in the product, please understand.Due to manual measurement, there is a tolerance in the product size. 11. High-precision material: Made of high-quality aluminum alloy, high precision, good stability, stable and balanced high-speed routines. Great tricks that are easy to use and practice. 22. Low rotation resistance: high precision bearing, stable and quiet rotation. A more stable and balanced high-speed program makes it smoother, quieter and rotates longer. 33. Fashion appearance: Anodized finish will never fade or scratch. The stylish appearance and unique color scheme make it different from the traditional yo-yo design. 44. Complete Yo-Yo set: The V-shaped design reduces friction and makes the yo-yo rotate longer. Comes with gloves, 5 strings, bearings, and an instruction manual. 55. Fun gift: Yoyo improves body coordination, finger flexibility, and brain reflexes, and is also a fun little competitive sports game, ideal as a small gift for family and friends.