About the product
- DOUBLE-ACTION HANDLE: The double-action handle is firmly fixed on the contact plunger and automatically self-centers.
- MEASURING RANGE: The measuring range is 8-150mm,-assist in the quick inspection of holes, and up to 6 inches deep.
- SCOPE OF APPLICATION: The telescopic spring piston in the hole (or ) can be used for inner diameter detection, used in conjunction with a micrometer or caliper, and has a knurled locking device.
- TOOL STEEL MATERIAL: The ends of the two contacts are made of head-treated steel, and finished to a certain radius, so as to leave a proper gap on the smallest hole the gauge will enter.
- SPRING TENSION: Constant spring tension can provide uniform contact pressure. High rigidity, good wear resistance, .
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