This part of EN 1677 specifies requirements for welded steel master links, intermediate master links, master link assemblies and lower terminal links of grade 4 up to 67 t WLL, mainly for use in:- chain slings according to EN 818-5- steel wire rope slings according to prEN 13414-1:1998- textile slings according to EN 1492-1, EN 1492-2.intended for lifting objects, materials or goods.The hazards covered by this Part of EN 1677 are identified in clause 4.