S6 grade:
Refer to GB20652 standard
It can be used as one leg chocker chain sling when the hook is inside the lingk.but the working load limit be reduced 20%.
Security gurantee:4 times safety factor
Surface treatment: Polished blackened galvanized painted and so on


T8 grade:
The chain meets the EN818-2 standed.
Security guarantee: 4 times safety factor
Surface Treatment: Polished,blackened,galvanized,painted and so on