9017300000 under HS Code Others, 9017809000 under HS Code DRAWING, 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 - OTHER INSTRUMENTS: OTHER, and 9030310000 under HS Code OSCILLOSCOPES, SPECTRUM ANALYSERS AND OTHER INSTRUMENTS AND APPARATUS FOR MEASURING OR CHECKING ELECTRICAL QUANTITIES, EXCLUDING METERS OF HEADING 9028; INSTRUMENTS AND APPARATUS FOR MEASURING OR DETECTING ALPHA, BETA, GAMMA, X-RAY, COSMIC OR OTHER IONISING RADIATIONS - OTHER INSTRUMENTS AND APPARATUS, FOR MEASURING OR CHECKING VOLTAGE, CURRENT, RESISTANCE OR POWER: -- MULTIMETERS WITHOUT A RECORDING DEVICE were the top imported HS Codes by MEASURING TOOL LLC in 2021.