used waldemar power roll b series initial pinch power roll B-5-72 used waldemar power roll b series initial pinch power roll B-5-72 used waldemar power roll b series initial pinch power roll B-5-72 used waldemar power roll b series initial pinch power roll B-5-72 used waldemar power roll b series initial pinch power roll B-5-72 used waldemar power roll b series initial pinch power roll B-5-72