CrazyEve 4 Pcs Small Hole Gauge 1/8" to 1/2" Full Round Ball Telescoping Gage

Description

Gauge range (Inch): 1/8"-1/5",1/5"-3/10",3/10"-2/5",2/5"-1/2". Gauge range (mm): 3mm-5mm,5mm-7.5mm,7.5-10mm,10-13mm. Method of Use: For small holes, slits and grooves of the measurement, insert gage into small bore and turn knurled knob to expand, remove from bore and measure with micrometers or calipers.