B-Grade means this yoyo is not perfect. It has some production flaws and it wobbles while spinning. The yoyo is still usable but does spins with wobbles. Also this product comes with no packaging, just a yoyo and a string.

Our latest legendary plastic fingerspin yoyo! Atom Smasher has a solid Polycarbonate body with an aluminum fingerspin hub to give players the ease of transitioning from beginner to intermediate fingerspin tricks. The inner rings further allow to improve a player’s accuracy on hitting that hub to land the perfect DNA.