Metal Yo-yo Ball Aluminum Alloy Anime Educational Children's Toys

Product information:
Color: Crown side axis Black Pink Blue, Crown side axis black silver
Spherical: Butterfly
Material: aluminum alloy 6061 environmentally friendly plastic ABS
Diameter: 55.9mm
Width: 42.3mm
Shaft width: 4.59mm
Bearing: high-precision 10-bead bearing
Recycling sticker: yellow silicone
Surface Treatment: bright surface
Screw specification: m4 * 16mm
Applicable style: (1A,3A, 5A)