Yomega Pro Speed &ndash; Non Responsive, High Performance Pro Level Yo-Yo with weighted metal rims &ndash; Featuring a ten ball, C size, 10 roller bearing For Ultimate Spin Time The Yomega ProSpeed is a heavy (70 grams) non responsive yo yo It is designed for maximum spin time and requires a bind to bring it back to hand Parts are interchangeable between the 3 Yo-Mod yo yos for a customized play experience