i am a left handed bowler who throws with pretty good normal revs. my ball speed is about 10-11 mph and i throw on the 14,15,16th board depending on the lane conditions. my house lanes are pretty well oiled i was looking for some feedback on the action to see if this ball would suitable for my needs. if anyone has any comments on this ball for me or any comments on another columbia that would be good reply to this post or msg me .. thanks