Anytime Tools Bore Gauge 6 pc 5/16"-6" Premium Telescopic High Precision T-Gage Set w/Hard Shell Case
<p><b>Premium High Precision Smooth Operation Telescoping Bore Gauges</b><p>Telescoping gages are used for determining the true size of holes, slots, and recesses up to 6" (150 mm). The ends of both contacts are hardened and ground to a radius to allow proper clearance on the smallest hole the gage will enter. The final hole size is obtained by measuring over the gage contacts with a micrometer or calipers.<ul><li>6 Pieces range: 5/16" - 6"<li>Smooth adjustment, spring loaded with knurled locking knob and knurled holding area<li>Spherical Hardened Precision Grounded and polished measuring faces<li>Satin chrome finish<li>Hard Shell Padded Case Included</ul>