... :) Cheap, creadible and long life Product: stress ball with magnet OUR neodymium stress ball with magnet with honest high quality and reasonable ... price: 1, Shape: magnet ball/neocube/buckyball 2, coating: Ni(lower price) or Gold, Silver ... , Blue, Red, Black Ni coating(higher price)3, Ball diameter=3mm,4.8mm,5mm or above 4, One set ...