Discraft says this about the McBeth Prototype Anax: Discraft Stability Rating: 2018 ESP 1.9
Paul's Anax (pronounced onyx) is an overstable driver in ESP plastic. Previously available only as a limited pre-release in the Ledgestone players pack, the select few customers who have had the chance to throw the Anax have instantly taken to its flight as a utility driver with a TON of glide.
This is the Paul McBeth line. These discs directly benefit him