KING TONY 26 Blades Metric Feeler Gauge

The, clearances between the surfaces of the parts. The probe assembly is 26 inch, thin brass plates hinged in an assembly, each 0.0015 inch thick. The measurement is made by inserting the plates one by one into the gap until the plates no longer fit into the gap.The working range of the probe is 0.0015 to 0.025, which is good enough to check engine valve or spark plug clearances. The blade calipers are made of high quality brass, solid fit and surface protection against corrosion will ensure long service life.