Dial indicator inside diameter

In industrial working environments it is very important to be able to measure the diameter of (small) holes quickly. Opensupply now has the perfect solution for this: the mercury check. The KWIK CHECK uses a tapered needle that displays the measured information directly on a dial. The KWIK CHECK is accurate to 0.025 mm! The solution for measuring small holes in sheet steel, fuel injection, small bores, etc. Quick and easy!