Check master is a kind of precision gauge. There are Economical
and General Check Master .
Check Master features:
﹒Designed to check the accuracy of table movements of machine
tools and calibrate CMMs. Permanently wrung stack of gauge blocks
is housed in a rigid frame.
﹒Can be used in either a vertical or horizontal orientation for
models up to 600mm range.
﹒Straight arrangement of block stack.