HR-150D Motor-Driven Rockwell hardness tester

HRS-150 Digital screen rockwell hardness tester

210HRSS-150 Digital Double Rockwell Hardness Tester

310HRSS-150 Automatic Full Scale Rockwell Hardness Tester

HR-150A Rockwell hardness tester

HR-150B Heightened Rockwell hardness tester

HRS-150B Digital screen rockwell hardness tester

HSRS-45 Digital screen Superficial rockwell hardness tester

HSRD-45 Motor-driven superficial rockwel hardness tester

XHRD-150 Motor-Driven plastic rockwell hardness tester

XHRS-150 Digital display plastic rockwell hardness tester