METAL PROFESSIONAL YOYO V3 is one of MAGICYOYO's top recommended entry-level metal yo-yos.Response magic yoyo V3 designed for beginner yo-yo players learning basic string tricks, and comes with replacement unresponsive yoyo bearing for advanced yoyo player. DUAL FUNCTION :1. Responsive Yoyo : Responsive yoyo adopting 8 ball flat bearing. Perfect for beginner learners. Silicone response system for superior play.2. Unresponsive Yoyo : Adopt 8 ball KK bearing, you can replace the bearing from responsive bearing (narrow size C 8 ball bearing) to a professional advanced unresponsive yoyo, just simply use our professional bonus removal bearing tool!LONG SLEEP AND SPIN TIME - Unresponsive Yoyo : Sleeps really well and spin long time, very stable and durable.SPECIFICATION :- Mode : MAGICYOYO V3 (RED)- Body Material : Aluminum Alloy 6061- Weight : 64.9g- Diameter : 55mm- Width : 38.5mm-Gap Width : 2.75mm- Style : String Trick (1A, 3A, 5A)- Bearing : Original assembly slim flat bearing (extra gift size C KK bearing)- Axle : Original assembly M4*10mm (extra gift long Axle M4*12mm)- Surface : Sand blasting finish- String : Premium 100% Polyester; length: 43.31in/110cm- For Age : 8 years upWarm Tips: yo-yo string should be changed periodically when yoyo string becomes defect, it will helps you play better.IF STRING GET STUCK :1. Remove the string firstly2. Please check whether the ball is loose and the two hemispheres have tightened well or not.3. Attach the string properly (please attach as directed)PACKAGE INCLUDED :1 x MAGICYOYO Responsive yoyo V3 (Red)1 x Size C kk bearing (unresponsive)1 x Axle M4*12mm12 x Strings (random different colors)1 x Yoyo case bag1 x Removal ball bearing tool, 1 x Mini Allen Key