4pcs Small Hole Gauge Set Telescoping Full Round Spherical Shaped Hardened Bore Gauge 3-13mm

About this item

• Used with an outside micrometer for measuring inside diameter of bores. Extra long for gaging deep and shallow holes, slots and similar work pieces. Gaging surface is fully hardened to insure long tool life. 4 sizes of gages are supplied in a fitted case. Spherical measuring faces hardened, Tool adjustment shaft Satin chrome finish