Hook "S" Grades: AISI 304, EN 1.4301, A2, AISI 316, EN 1.4401, A4 (only on request). Sizes: 5mm 4mm 6mm 8mm Grades and standard: AISI 304 EN 1.4301 AISI 316 EN 1.4401 The grade you are interested in is missing here? Write to us! Contact Category: Nautical equipment