The PKL-FS HD fixed connection is designed to connect KL cable ladders between themselves and to the PKL-RED, PKL-KO, PKL-KR connecting elements. The PKL-FS fixed connection is installed on the outer side with PPKP M8x16 (12x) connection bolts and PPKP M8 (12x) flange nuts. To connect two ladders, 2x PKL-FS HD are required.