Type 20 – Side Outlet Elbow admin | August 9, 2020 A 90° corner joint most frequently used for the top rail of safety railing. It can also be considered for the corner joint of benches, work tables, and other rectangular structures. Add to quote Categories: All Products, Elbow Fittings, Fitting, Klamp Description Description Related products Type 16 – Clamp-on Tee Type 12 – 45° Single Socket Tee Type 56 – Acute Angle Elbow Type 86 – Angle Tee