Corner attachment piece, with unperforated side rails, with connector holes for connection, with continuous cable support through overlapping base plate, for cable trays, for producing horizontal 90° corner and T-connections, width-independent component, with integrated joint connectors, including proportional fastening accessories. for cable trays: 110 mm edge height Dimensions (approx. dimensions) inside H: 110 mm Inner beam radius R: 138 mm Material: Steel, strip galvanized according to DIN EN 10346