ISO 16798:2004 specifies requirements for forged or welded steel master links, intermediate master links, master link assemblies and lower terminal links of Grade 8 up to 132 t WLL (working load limit), mainly for use in chain slings in conformance with ISO 4778 and ISO 7593, steel wire rope slings in conformance with ISO 7531, and textile slings in conformance with EN 1492-1 and EN 1492-2, intended for lifting objects, materials or goods. It is not applicable to hand-forged links.