7907.00.92Discs or slugs, containing by weight 90% or more of zinc; Gutters, roof capping, skylight frames and other fabricated building components; Zinc tubes, pipes and tube or pipe fittings (for example couplings, elbows, sleeves)
7907.00.92.10Zinc tubes, pipes and tube or pipe fittings (for example, couplings, elbows, sleeves)