Corner attachment piece, with unperforated side rails, with connector holes for 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 hot-dip galvanized proportional fastening accessories. for cable trays: 85 mm edge height Dimensions (approx. dimensions) inside H: 85 mm Inner rail radius R: 138 mm Material: Steel, hot-dip galvanized according to DIN EN ISO 1461