; 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 $19 each (provided for in subheading 7326.90.86) Free No change No change On or before 12/31/2020 . 1383. Three-story fire escape ladders Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.15.03 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