Support bracket, one-piece, for installation on horizontal ceilings, including appropriate fastening accessories. For static reasons, the TKSD 20 spacer must be installed when installing the ceiling in order to avoid deformation of the trapezoidal profile when tightening the fastening screw. Please observe additional regulations for use in functional maintenance! Dimensions (approx. dimensions) H x W x L: 172 x 57 x 411 mm Upper bracket length L1: 132 mm Material: Steel, strip galvanized in accordance with DIN EN 10346