If you are talking about the 4 ball 2 piece roller i just ordered one one tuesday and should be in in about 2 weeks. I'll let ya know how itis. I saw one at PBA regional here in Boise and it looked like a pretty well built reliable bag.
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Arsenal includes:
Rule GP2, Rule Delta 1, Slash, Heat, Freak A Zoid, Desert Heat, Boxing Glove