... . Used leeb durometer hardness tester HL-360SHL-360 multi-function Leeb hardness tester according to the Leeb hardness measurement principle can be ... convenient. The seven profiled impact device does not need calibration, automatic identification, USB interface transfer, mass storage, and ... (brass), copper-tin alloy (bronze), copper, forged steel.4. Hardness scale: HL, HB, HRB/C, HRA, HV, HS5.Display ...