; and (B) by striking 12/31/2020 and inserting 12/31/2025 . (245) Food beaters designed to attach to handheld mixers Heading 9902.16.33 is amended— (A) by amending the article description to read as follows: Stainless steel food beaters, designed for use solely on electromechanical hand-held food mixers suitable for domestic purposes (provided for in subheading 8509.90.55) ; and (B) by striking 12/31/2020 and inserting 12/31/2025 . (246) Lamp-holder housings of porcelain Heading 9902.16.89 is amended— (A) by amending the article description to read as follows: Lamp-holder housings of porcelain, containing sockets (provided for in subheading 8536.61.00) ; and (B) by striking 12/31/2020 and inserting 12/31/2025 . (247) Cathode-ray tubes Heading 9902.16.94 is amended— (A) by amending the article description to read as follows: Cathode-ray data/graphic display tubes, color, with a phosphor dot screen pitch smaller than 0.4 mm and with less than 90-degree deflection (provided for in subheading 8540.40.10) ; and (B) by striking 12/31/2020 and inserting 12/31/2025 . (248) Zee cages Heading 9902.17.11 is amended— (A) by amending the article description to read as follows: “Z”-shaped water bottle holders (cages) of alloy or composite material, designed for use on bicycles (provided for in subheading 8714.99.80) ; and (B) by striking 12/31/2020 and inserting 12/31/2025 . (249) Optical attenuators Heading 9902.17.27 is amended— (A) by amending the article description to read as follows: Optical attenuators designed to reduce the power level of an optical signal, either in free space or in an optical fiber, such instruments or apparatus specifically designed for telecommunications (provided for in subheading 9013.80.90)