90° bend, heavy-duty design, with unperforated side rails but with connector holes for connection and with integrated joint connectors, for creating a 90° horizontally angled cable tray path, for walkable cable trays, including proportional fastening accessories. for walkable cable trays: 100 mm edge height Dimensions (approx. dimensions) H x W (inside): 100 x 400 mm Material thickness t: 2 mm Inner rail radius R: 138 mm Material: Steel, strip galvanized according to DIN EN 10346