Zeekio Sidewinder Diabolo - RedZeekio did it again. The Zeekio Sidewinder Diabolo is premium quality diabolo at an unbeatable price. It's great for all levels. The shells are made of a special plastic compound that allows for flexibility and strength. Just the right amount of sponginess All metal construction aluminum inner hubs and steel axle. You can't break this baby. Specs: Diameter: 4.25" (108 mm) Height: 4.75" (120 mm) Weight: 6.8 oz (195 g)Bearing: FixedAll of Yoyosam's diabolos come with sticks string and instructions.