6 piece telescoping gauge set. 8mm to 150mm or 5/16inch to 6inch
Features:
Measures internal diameter or internal through-groove where otherwise only bore gauges or inside micrometer can be used.
Guage plungers expand from the center to hole size and locked in place by the knurled knob.
Measurement can be made with a micrometer or caliper.
Satin Chrome finish.
