ProStride Hockey USA JRZ CCM SBXS BLACK RUNNERThe JRZ SpeedBlade XS Black Steel Runners offer absolutely incredible performance and durability thanks to a number of factors. The first is that JRZ manufactures their steel with accurate precision on each and every single one of their runners, ensuring players have a consistent 10 ft. neutral pitch radius and a premium quality product. The second factor is the Diamond Like Coating (DLC) blade finish, which provides resilient strength against nicks,