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Effective Period Rates of Duty Unit of Quantity Article Description Stat. Suf- fix Heading/ Subheading 2 1 Special General Fire escape ladders measuring 4.4 m or more but not more than 7.4 m tall when fully extended, tested to support 510.3 kg of weight and designed to be hung from a window measuring 15 cm or more but not over 25 cm; such ladders each composed of window brackets and rungs (stairs) of steel and rope of man-made fibers that connects the rungs to each other and to the window bracket; with slip resistant rungs and stabilizers, the foregoing for residential use, valued not over $34.50 each (provided for in subheading 7326.90.86)............ 1/ 9902.15.03 On or before 12/31/2020 No change No change Free 1/ Belts and bandoliers of iron or steel, not coated or plated with precious metal, the foregoing presented with or without buckle (provided for in subheading 7326.90.86)................................... 1/ 9902.15.04 On or before 12/31/2020 No change No change Free 1/ Side press wringer handles of steel (provided for in subheading 7326.90.86)................................................................................... 1/ 9902.15.05 On or before 12/31/2020 No change No change Free 1/ Riser joints of iron or steel, designed to connect drilling rigs to subsea riser containment packages, the foregoing certified by the importer as designed for high bending moments and tension at the bottom and top of riser (provided for in subheading 7326.90.86)................................................................................... 1/ 9902.15.06 On or before 12/31/2020 No change No change Free 1/ Cold-formed profiles of nickel alloys, having the symmetrical cross section of an isosceles triangle, with a total width between 2.9 mm and 3.1 mm and a height between 3.8 mm and 4.3 mm (provided for in subheading 7505.12.50)............. 1/ 9902.15.07 On or before 12/31/2020 No change No change Free 1/ Cold-formed wire of nickel-titanium alloy, presented in coils, with round cross section, with a diameter of 0.1778 mm or more but not over 0.6350 mm (provided for in subheading 7505.22.10) .................................................................................. 1/ 9902.15.08 On or before 12/31/2020 No change No change Free 1/ Machined loupe mountings of cast aluminum, with polytetrafluoroethylene coating (provided for in subheading 7616.99.51)................................................................................... 1/ 9902.15.09 On or before 12/31/2020 No change No change Free 1/ Zinc die-cast interior punches, each with a plastic exterior casing (provided for in subheading 7907.00.60)...................... 1/ 9902.15.10 On or before 12/31/2020 No change No change Free 1/ Sintered tungsten bars containing 99.95 percent or more by weight of tungsten, in 0.004 mm (4 micron) size, each measuring 49.78 cm to 64.14 cm in length, 19.56 cm to 23.5 cm in width and 3.99 cm to 4.11 cm in thickness (provided for in subheading 8101.94.00).......................................................... 1/ 9902.15.11 On or before 12/31/2020 No change No change Free 1/ Gallium, unwrought and in solid form (provided for in subheading 8112.92.10).............................................................. 1/ 9902.15.12 On or before 12/31/2020 No change No change Free 1/ Ingots of germanium, unwrought, each weighing 0.5 kg or more but less than 2 kg (provided for in subheading 8112.92.60).... 1/ 9902.15.13 On or before 12/31/2020 No change No change Free 1/ 1/ See chapter 99 statistical note 1. Rates of Duty 1 Harmonized Tariff Schedule of the United States Revision 15 (2026) Annotated for Statistical Reporting Purposes XXII 99 - II - 136 Note:The shaded areas indicate the provision has expired