Type 55 – Obtuse Angle Elbow admin | August 9, 2020 The Type 55 is an ideal fitting to use as an alternative to bending, or when a junction between a sloping tube and an end post is required – i.e., guardrailing and staircases. Add to quote Categories: All Products, Elbow Fittings, Fitting, Klamp Description Description Related products Type 87 – Angle Elbow Type 56 – Acute Angle Elbow 55A – VARIABLE ELBOW 320RH SIDE OUTLET ELBOW