ST120A Grain Hardness Meter，Stainless steel material, delicate appearance, big knob manually press, uniform pressure, pointer reading

Characteristic:

1. Easy to operate, direct reading, high accuracy, elegant appearance.

2. Pressure head is made of stainless steel, which increases the service life.

Technical parameter:

Test range            20kg

Display               Pointer

Stress                Manual

Maximum Diameter      18mm

Accuracy              ± 2%

Resolution            0.5kg