Easy to adjust for accurate measurements. Professional precision tool set!

Hanles are rigidly attached to the contact plungers and are automatically self-centering

Rigid double-acting handle with self-centering feature for quick checking of through holes, slots and recesses up to 6 inches deep

Ends of both contacts are head treated stainless steel and precision ground to a radius to allow proper clearance on the smallest hole the gauge will enter.

6-piece measuring set: 5/16\" - 6\" (8mm - 150mm): Gauges 8-12.7, 12.7-19, 19-32, 32-54, 54-90 and 90-150mm

Specification:

Material: Hardened tool steel

Color: Silver

Range:

5/16\" - 1/2\", (8 - 12.7mm)

1/2\" - 3/4\", (12.7 - 19mm)

3/4\" - 1-1/4\", (19 - 32mm)

1-1/4\" - 2-1/8\", (32-54mm)

2-1/8\" - 3-1/2\", (54 - 90mm)

3-1/2\" - 6\" (90 - 152mm)

Purpose:

Under uniform spring tension, the gauge plunger expands from the center to the hole diameter or the width of the slot to be measured and then locks in place with a knurled knob. The hole size is determined by measuring the contact point with a micrometer or caliper.

Package includes:

6 pcs x Precision Telescopic Gauge (packed with case)