| The knurled knob at the end of the gage handle is used for size adjustment. The hole obtained by measuring over the contact points with a micrometer.
The gaging surface is a full round with a flat bottom, which permits its use in smallest of shallow holes, slots and grooves. The surface is fully hardened. Tools are extra long for gaging deep holes, slots and similar work. Set includes case.
The set is as follows:
- Range, .125 to.200 inch; overall length, 3-5/8 inches; probe depth, .880 inch
- Range, .200-.300 inch; overall length, 3-7/8 inches; probe depth, 1.200 inches
- Range, .300-.400 inch; overall length, 4 inches; probe depth, 1.600 inches
- Range, .400-.500 inch; overall length, 4 inches; probe depth: 1.600 inches
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