HTS code 9902.15.58 covers "Pedestal column assemblies comprising parts for oscillating electric fans, presented in the assembled condition, each consisting of upper and lower tubes of steel, with thermoplastic collet (sleeve) covering the connection point of such tubes together with accompanying collet insert and allowing the two tubes to be locked at adjustable intervals (provided for in subheading 8414.90.10)" under the US Harmonized Tariff Schedule. This is the official duty rate charged by US Customs when this product is imported into the United States, sourced directly from the U.S. International Trade Commission and refreshed daily.