First-class materials - we use, among other things, carbon steel grade 12, low-alloy steel grade 15 or chrome-vanadium steel 51CrV4 (15 260) or their equivalents according to European (EN 10027), German (DIN) and American (ASTM) standards. Emphasis on safety - we do not compromise on production. We choose materials and processes that guarantee safe and reliable use even under the most demanding conditions.