Attachment T-piece, with unperforated side rails, with connector holes for the connection, for cable trays, for creating horizontal 90° T-outlets and crossings of different and the same width, width-dependent in the main direction, with integrated joint connectors, including proportional fastening accessories. for cable trays: 110 mm edge height Dimensions (approx. dimensions) inside H x W: 110 x 552 mm Inner rail radius R: 138 mm Notch of the cable trays: 280 mm + W Material: Steel, strip galvanized according to DIN EN 10346