Beslands Hole Gauge Set, 1/8" to 1/2" Range, Telescoping Bore Gauge, Ball Type Small Telescopic Gage, 4 Pcs Full Round, inch/mm, High Precision (1/8" to 1/2")

【Range】1/8" - 1/2" , Stainless Steel Construction.
【How to use】Hole gage expands in a hole to be measured , locks in place and then removed to determine final hole size using a micrometer or calipers.
【High Quality】The surface of the hole gauge is smooth and the probe curvature is good. Its surface is nickel-plated, bright and has a long service life.
【Wide range of applications】The hole gauges are used to measure small holes, slits and grooves.
【Package】Includes 4 sets, with vinyl case

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