… Drawing, marking-out or mathematical calculating instruments (for example, drafting … calculators); instruments for measuring length, for use in the hand (for example, measuring rods and tapes, micrometers, callipers), not specified or included elsewhere in this Chapter. …
Explanatory notes
… ‑ Other instruments 9017.90 ‑ Parts and accessories This heading includes drawing, marking‑out or mathematical … dimensions such as diameters, depths, thicknesses and heights which are indicated as a unit of length (e.g., … (size, weight, etc.) which enable them to be held in the hand to carry out the measurement. Instruments …