yo-yo professional For the advanced player in the competition and daily practice that allows routines has stable high speed and balance The shape of the wing of the dash facilitates rope tricks Improve coordination,flexibility and strength of the playersN11 yo-yo professional For the advanced player in the competition and daily practice that allows routines has stable high speed and balance The shape of the wing of the dash facilitates rope tricks Improve coordination,flexibility and strength of the players Sustainable recovery system and long idling time size:Diameter 54mm Material:Aluminum alloy colour:As shown Package Contents: 2 x ball 4 x finger 2 x Storage bag 10 x rope (random color, can not choose to specify) 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.