The roof support tile type GKNC 21 A is intended for mounting a round conductor with a diameter of Ø 8 - Ø 10 mm on a roof covered with long tiles (JUPITER, SATURN, etc.). It consists of a bracket, 2 M6 screws, 2 M6 nuts and a plate 55 mm x 25 mm.
It is made according to regulations and standards.