4Pcs/Set 0.125 - 0.5" Telescopic Small Hole Bore Gauge Full Ball Type Gage
Extra long for gaging deep and shallow holes, slots and similar work pieces. Gauge Ranges: 1/8"-1/5", 1/5"-3/10", 3/10"-2/5", 2/5"-1/2"; Probe Depth: 0.880,1.200,1.600,1.600".