Ace ProFlex P Model OSThe Prodigy Disc P Model OS is a beadless putter with a slightly slim profile. The P Model OS will have a straight flight before a predictable fade at the end. It's smaller profile makes it easy to hold for any hand size. In flight, the P Model OS can handle decent power without turning over. You can also throw it on sweeping anhyzer shots to see it hold the initial line before fighting out at the end.