15lbs 2oz | 3-3.5" I 3.88oz TW. 15lbs 3oz | 2.5-3" I 2.93oz TW. 15lbs 4oz | 3-3.5" I 3.03oz TW. Roto Grip Optimum Idol Bowling Ball. Roto Grip Ikon Core. Roto Grip MicroTrax Solid Reactive. Bottom line, in the HP3 line we have been looking for the next generation of Haywire.
