Pro-d Challenger Putter Challenger: Overstable putter will get around trouble for those long hyzer putts. Overstable enough to take a good amount of snap on approaches. Soft grippy plastic. Wt: 174 g. Stability: 1 Soft Magnet: Specially engineered for players who love the Magnet but prefer a softer putter that grabs the chains. It's more tacky than floppy, with good grip for consistent release every time. A superb short range driver and approach disc too. Wt: 175 g. Stability: 0. Magnet: A perfect putter - not too hard or too soft. It goes in and stays in. Excellent in wind and makes a superb short-range driver and approach disc. Wt: 176 g. Stability: 0