| 6914.10.40 | 00 | Ceramic ferrules of porcelain or china, not exceeding 3 mm in diameter or 25 mm in length, having a fiber channel opening and/or ceramic mating sleeves of alumina or zirconia | X | Free | | 60% |
| 6914.90.41 | 00 | Ceramic ferrules of alumina or zirconia, not exceeding 3 mm in diameter or 25 mm in length, having a fiber channel opening and/or ceramic mating sleeves of alumina or zirconia | X | Free | | 45% |
| 9017 | | Drawing, marking-out or mathematical calculating instruments (for example, drafting machines, pantographs, protractors, drawing sets, slide rules, disc calculators); instruments for measuring length, for use in the hand (for example, measuring rods and tapes, micrometers, calipers), not specified or included elsewhere in this chapter; parts and accessories thereof: | | | | |
| 9017.20.40 | 00 | Disc calculators, slide rules and other mathematical calculating instruments | X | 3.9% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 40% |
