427 Three Socket Tee admin | October 19, 2020 This Three Socket Tee is used on a railing system with slopes between 30° to 45° and fixes the top rail to a vertical intermediate upright. Add to quote Categories: All Products, Fitting, Klamp, Tee Fitting Description Description Related products Type 16 – Clamp-on Tee Type 90 – PGR Three Socket Tee Type 87 – Angle Elbow Type 19 – Adjustable Side Outlet Tee