Explanatory notes
… XV, e.g., screws (bridge, crown, dial, ratchet, click, end‑stone cap or index disc, yoke, setting lever, etc.), taper … 91.10 , the cases of heading 91.11 or 91.12 and the watch straps, watch bands and watch bracelets of heading 91.13 ). … detent, etc.) : escape wheel and pinions, lever, pallet staff, rollers, pallet stones, impulse pin, cylinder. (6) …