Scale I have 1:87 Arm Single Catenary Countertop OBB (suitable for poles art. 192 and 193) I have 1:87 Single Arm for Obb Catenary Support (Suitable For Poles Art.192 and 193) I have Massstab 1:87 Einarm Für Oberleitungsstütze ÖBB (passing für Masten art. 192 und 193).