SBSKu-EM is a plastic elbow made of PVC-U, with a socket molded on one side, in grey (RAL 7035), non-flame propagating. This elbow is used for the plastic straight pipes FPKu-EM-F and isofix-EL-F. The advantage lies in the average compressive strength.0605 DIN EN 61386-21 Classification: 33411 Minimum compressive strength: 750N/5cm