Type 91 – PGR Two Socket Cross admin | August 9, 2020 Type 91 is used to join the mid rail to an intermediate upright. Add to quote Categories: All Products, Cross Fittings, Fitting, Klamp Related products A21/26 – Split Two Socket Cross Type 46 – Combination Socket Tee and Crossover Type 89 – Two Socket Angle Cross Type 93 – PGR Tee