This small hole gage set is fully hardened for long tool life. It's full ball construction allows it to be useful in small holes, slots and grooves. The knurled know at the endof the handle adjusts the gage to the hole size and readings are obtained by measuring over contact points with a micrometer.
Pittsburg Alleghany
Half Ball Style Small Hole Gage Set, .125"-.500" Range (4 Gages in Set)
$22.00
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