Dial Gauge DTI Extension Probe Extra Long 4" 100mm Plunge Test Indicator

A 4" (100mm) long extension for Dial Test Indicator (DTI) gauges.

Ideal for measuring in hard to reach areas, going down spark plug holes etc...

Standard thread fits most modern Dial Gauges.

Extends the DTI probe by 4" (100mm).

Made from hard wearing stainless steel for a long life and corrosion protection.