Explanatory notes
… for revolving chairs. The heading covers : (A) Hinges of all types (e.g., butt hinges, lift‑off hinges, angle hinges, … (B) Castors , as defined in Chapter Note 2. To fall in this heading, castors must have mountings of base … for double windows; hooks, fasteners, stops, brackets and roller ends for shutters or blinds; letter‑box plates; door …