The above-mentioned Green Pin shackles, shackles DIN 82101 and shackles KUN 3.10 have the WLL and the diameter of the relevant chain marked on them; the chains have also the marking 8 as a sign of quality class 8. They can be delivered upon request with approval protokol issued by Lloyd's Register, German Lloyd, Russian Register. They are obligatory delivered with a test certificate, issued by manufacturer, which is certified according to DIN EN ISO 9001-2000.