Accusize Industrial Tools 4 Pc Small Hole Gauge Set, Ball Type, inch/mm, 1/8 to 1/5, 1/5 to 3/10, 3/10 to 2/5, 2/5 to 1/2, 3604-5001

4 Pcs Small Hole Gage Set, Ball Type #3604-5001 Satin chrome finished, completely assembled with handles.Knuckled lock maintains the setting of the measuring arms to permit sizing with a micrometer or caliper.4 pcs set range: Range L L1 L2 D 1/8 ~1/5 2.992 0.945 2.047 0.197 1/5 ~3/10 3.110 1.063 2.047 0.197 3/10~2/5 3.465 1.181 2.283 0.236 2/5 ~1/2 3.583 1.339 2.283 0.236'