HSN CodeHSN Description

9031Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors

8204Hand-operated spanners and wrenches (including torque meter wrenches but not including tap wrenches); interchangeable spanner sockets, with or without handles - hand-operated spanners and wrenches

8505Electro-magnets; permanent magnets and articles intended to become permanent magnets after magnetisation; electro-magnetic or permanent magnet chucks, clamps and similar holding devices; electro-magnetic couplings, clutches and brakes; electromagnetic lifting heads - permanent magnets and articles intended to become permanent magnets after magneti-sation

9017Drawing, 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, callipers), not specified or included elsewhere in this chapter

9024Machines and appliances for testing the hardness, strength, compressibility, eleasticity or other mechanical properties of materials (for example, metals, wood, textiles, paper, plastics)