Corner attachment piece, with unperforated side rail, with connector holes for the connection, with continuous cable support through overlapping base plate, for cable trays, for creating horizontal 90° corner and T-connections, width-independent component, with integrated joint connectors, including proportional fastening accessories. For use in functional maintenance, please observe additional regulations! for cable trays: 60 mm edge height Dimensions (approx. dimensions) inside H: 60 mm Inner beam radius R: 99 mm Material: Steel, strip galvanized according to DIN EN 10346