6pcs 8-150mm Telescoping Gauge Set Internal Gauge Hole Gauges for Hole Quick Inside Measurement

Description 6pcs 8 150mm Telescoping Gauge Set Internal Gauge Hole Gauges for Hole Quick Inside MeasurementSpecification Measuring range 8 150mm or 5 16 to 6Quantity 6pcs Features 1 Under uniform spring tension the plunger of the gage expand from the center to the diameter of the hole or width of slot being measured and then locked in place by a knurled knob the hole size is found by measuring over the two contact point With a micrometer or caliper2 The telescoping gauges are used to measure internal diameter or internal through groove of the machine by comparative method Package Included 6 x Telescoping GaugeMore Details