Heading 6914: Other ceramic articles:

Of porcelain or china 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

Of porcelain or china Other

Other 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

Other Other