BI-METAL YOYO PROFESSIONAL- yoyo M001 is a professional yoyo for advanced yoyo trick. Specially design with a inner-ring and polish ring to stability and fashion. BIND RERURN UNRESPONSIVE YOYO - M001 is not tug responsive yoyo and it is a No-responsive yoyo.You have to learn to"BIND"to play. For unresponsive yoyo, it definitely helps longer yoyo trick and allow you to play more complicated yoyo trick than responsive yoyo. SMOOTH SURFACE EXCELLENT QUALITY - Yoyo professional M001 is made from top-quality aluminium and complete with super smooth shinning surface. Not easy to scratches and never fade. It is a great flagship entry-level unresponsive yoyo for those Intermediate and Advance players who want something a litter sturdier than plastic yoyo. INTERMEDIATE YOYO CHOICE - If you're more than a yoyo beginner and you've got the basics trick yoyo covered, then grabbing a M001. It is fantastic professional unresponsive intermediate yoyo ball for kids, adults, friends, family, anyone that wants to enjoy hours of fun with yoyo. PEFECT GIFT YOYO FOR KIDS - Yoyoing is known to help children improve their hand-eye coordination and keep them from mobile phones and online games. Our cool professional yoyo M001 is a great present for your kids& friends. size:51.3mm in diameter Material:Aluminum alloy colour:black Package Contents: 1 * Yo-Yo 5 * rope (Random color, don't accept the specified color) 1 * velvet bag 1 * gloves 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.