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Sturdy Steel Construction - Made of 65 manganese steel by heat treatment, high strength, corrosion resistance and no rust, long life.
Gages Range - 4 sizes of gages are supplied in a fitted case. Incl. 1/8"-1/5",1/5"-3/10",3/10"-2/5",2/5"-1/2"
Adjustment - Smooth, sensitive adjustment for better feel, giving more accurate measurements
Versatile - Four small hole gauges are suitable for measuring deep and shallow holes, slots and grooves, and are a great tool for checking valve guide cleanliness and wear.

Product description

Made of 65 manganese steel, heat-treated, durable, corrosion-resistant, and has a long service life.

Smooth, sensitive adjustment, more accurate measurement, suitable for measuring deep and shallow holes, grooves, etc. .

Four small hole gauges fit for gaging deep and shallow holes, slots, and etc.

Magical quality that we strive for in all of our products. Enjoy a smooth & frustration free experience.