We are as manufacturer of hardness block in China including all
kinds of hardness block complying with different standard. All the
hardness block covers: Rockwell Hardness Block, Brinell Hardness
Block, Rockwell Plastic hardness Block, Superficail Rockwell
Hardness Block, Micro Hardness Block, Vickers Hardness Block, Leeb
Hardness Block and so on. If you have special requirement, the
special size is available from us.