The Tenacity is designed to be an understable distance driver that will change the way you look at understability. With the GYRO incorporated in the design, the Tenacity will flip readily, but it will also pull out of the flip right when you want it to. Hold onto your lead with the Tenacity today! Axiom Neutron Plastic is the same juicy blend of Neutron used by MVP Disc Sports. It provides subtle grip and the best durability on the market. Features: Under-Stable Driver Disc Durable Grippy Neutron Plastic Unique 2-piece construction.