Use connecting rod through center holes and nuts to lock block gauges.
Set Height Datum
Using flat measurement claw and gauges to make precise height datum simply.
Make Measurement Clamp
Make special clamp simply for repeated measurement instrument.
Can measure section size(Max 24.1*24.1)
Block gauge and keep location of crosswise and lengthway. There are many applications such as location of cutting tools, measure angle combined with sine rod, inspect taper combined with roller as well as calibration of Measurement micrometer.