Check the listing for details. Machinist tool inspection stand testing indicating comparator. Condition: Used. Listed at 75.00 USD. Machinist tool inspection stand testing indicating comparator. I’m not 100% sure what this is but I would love to know. If you have an answer please share it. I love learning plus it would help me sell it. When you turn the knob the post raises and lowers slightly.

$37.50
$75.00