6Pcs Telescopic Gauge Set Micrometer Measurement Bore Engineers Kit 8-150mm SG

Specifications:
100% Brand New
Material: Hardened tool steel
Color: Silver

Features:
1. Double action rigid handle with self centering feature for quick checking of holes, slots and recess up to 6" deep
2. The ends of both contact are head treated stainless steel and precision ground to a radius to allow proper clearance on the smallest hole the gage will enter
3. Constant spring tension gives uniform contact pressure
4. Handles are rigidly attached to the contact plungers and are automatically self-centering
5. Nickel-plated finished

Usage:
Under uniform spring tension, the plunger of the gage expand from the center to the diameter of the hole or width of slot being measured and then locked in place by a knurled knob, the hole size is found by measuring over the two contact point with a micrometer or caliper.

Notice:
1. Please allow 1-3cm error due to manual measurement. Please make sure you do not mind before you bid.
2. The color may have different as the difference display, Please understand.

Package Included:
1 Set 6 pcs Telescopic Micrometer Gauge