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 87 – Angle Elbow Type 29 – 30° to 60° Single Socket Tee Type 55 – Obtuse Angle Elbow Type 92 – PGR Elbow