Leeb Hardness Tester with Calibration Test Block 170-960HLD for Metal Steel Irol
No key "fool" type operation, directly shows the most commonly used on the Leeb scale and Rockwell values. Support for multiple hardness standard Hardness Standards: HL 、 HV 、 HRA 、 HRC 、 HRB 、 HB 、 HV 、 HS.