Each block is marked with the specific measured value.
Hardness tester accessory.
Can be used with our 8902-0150 hardness tester and most other imported hardness testers.
Supplied with a calibration certificate from the factory.
Shipping Weight: 1 lbs
Many metalworking products contain metals that are included in
the latest Prop 65 warning. Exposure to the elements can be
harmful. May cause cancer and reproductive harm.
