The Spike will fly straight for beginners and will have a more understable flight path for the more advanced players. Compared to most putters, it has a shallower grip and a smoother edge. The top surface has traction zones for optional varied grip.
Flight Ratings: Speed: 4, Glide: 3, Turn: -1, Fade: 1
About the plastic: Zero Medium is a great combination of Zero Hard and Zero Soft. It is slightly flexible and has a good feel for putting.