Brunswick Ultimate Defender Bowling Ball Type_Kids there is no outer core

there is no outer core on these balls

Pockets on both sides

Core Name: ZigZag Asymmetric

These replacement soles are for use with ALL Dexter SST 4

With the heavy duty frame and hardware

Brunswick Ultimate Defender Bowling Ball Type_Kids there is no outer coreBrunswick Ultimate Defender Bowling Ball Brunswick Ultimate Defender is the newest version of Brunswick Defender with a little change in the Coverstock finish making it a bit more aggressive ball for bowling. The bowling power in this ball is a little more than the previous release to give you a bit more continuation at the backend followed by a sharper turn. The ball is one of the Brunswick's Urethane balls with 2 years of Urethane and Reactive