jawbreaker zone os en First run The Pro is more durable

The Pro is more durable

the S-Line is softer and more understable

and will work excellently for both backhand and forehand throws

S-Line provides more "feel" and better grip

The world needs more Reko

jawbreaker zone os en First run The Pro is more durableZone OS is an overstable put & approach disc that is a go to disc for many players. It is an extremely overstable disc that suits all conditions, especially for approach shots in the wind. Zone OS works for both forehand and backhand players. Recommended uses: Flex throw Spike hyzer Upwind throw Approach Flight rating: Speed: 4 Glide: 2 Turn: 1 Fade: 5 Stability: 2. 0 Jawbreaker Plastic: Jawbreaker plastic was developed to be the finest plastic