BESISTA® 540 540 tension rod systeme under European approval
ETA-08⁄0038, each consisting of
2 rod anchors (fork heads) made of
EN-GJS-400-18-LT with cross-pins and locking rings and
1 tension rod with left-hand / right-hand thread and wrench flats, made of
S540N, a high-quality modified S460N with guaranteed yield strength of 540 N/mm².