90 Degree Steer Panel InsidePriefert's 90 Degree Turns are constructed from an Inside Panel and an Outside Panel. 90 Degree Steer Panel Inside SP90ID Prieferts 90 Degree Turns are constructed from an Inside Panel and an Outside Panel. Steer Panel Alley Frames are required at each end of the turn to connect it to Steer Panels. Each of these items are sold separately. Once assembled, the 90 degree turn is made to the same specifications as our Steer Alley Panels to maintain a