Powerhouse Products® POW151275
5/16" to 6" Telescoping Gauge Set
To use, simply insert the appropriate gauge into the work-piece and turn the knob at the end of the handle. Spring-loaded ends "snap" open to the maximum size allowed. Then, tighten the knob, remove the gauge and measure across the tips to find your inside measurement. Each set contains six gauges. Total range of 5/16" to 6".Fitted into a handy storage pouch Full overview
Special order. Please contact our customer service for more information.