N11 yo-yo professional aluminum alloyFor the advanced player in the competition and daily practiceAluminum alloy that allows routines has stable high speed and balanceThe shape of the wing of the dash facilitates rope tricks coordination, flexibility and strength of the playersSustainable system and long idling timeGreat gift for someone Material: AluminumRed Color Manufacturer: YOYOStyle: Trick String (1A, 3A, 5A): 10 ball stainless steel Size: Size C ()Body size (L x D): .1.65 x 2.13 inch / 4.20 x 5.40 cmGap Width: . 1.82 inch / 4.62 cmFor age: 8 yearsPackage Includes: 1 x YOYO1 x chainNote: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.