This Tariff Concession Order (TCO) declares that a narrowly described type of worm‑gear screw jack used in metal‑coating line cooler rotation is a good to which an item in Part III of Schedule 4 of the Customs Tariff Act 1995 applies, effective 13 September 2011 (delegate decision under s269P, Customs Act 1901). It therefore makes those precisely specified imports eligible for the Schedule 4 concession; importers must meet the exact technical limits (lifting ≥4.5 t, 6:1 ratio, screw travel ≤250 cm) to obtain the benefit and the concession lasts until revoked.