DIN 82004-2
DIN 82004-2 Turnbuckles with oval eyes, double lugs and round eyes head fittings - Part 2: Stainless steel
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/2008
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/2008