Grommets (Metal -); metal hose clamps; metal hose fittings; metal hoses for plumbing use; flexible pipe locks of metal; zip ties of metal; clips of metal for pipes; metallic devices being fittings, bands, stretchers, tension links, clips, hangers, couplings and clamps for holding or binding flexible hoses under pressure (term considered too vague by the International Bureau - Rule 13 (2) (b) of the Regulations).