Hardmeter

The utility model relates to the technical field of hardness detection equipment, in particular to a durometer which comprises a shell, an upper handle, a lower handle, a pressing needle component and a supporting plate, the shell comprises a first containing cavity and a second containing cavity, and the upper handle is arranged on the shell. The pressing needle assembly is arranged in the first containing cavity and is in threaded connection with the first containing cavity, and the pressing needle assembly comprises an input end and an output end; the lower handle is hinged to the shell, and the upper end of the lower handle is rotationally connected with the input end; the second containing cavity is formed by vertically stacking a plurality of I-shaped inserting grooves which are communicated with one another, part of the supporting plates are inserted into the I-shaped inserting grooves, and the other part of the supporting plates protrude out of the second containing cavity and are located under the ou