For Gaging of American National Srandard Thread
Metric:0.5, 0.6, 0.7, 0.75, 0.8, 0.9, 1.0, 1.25, 1.5, 1.75, 27, 28
S.A.E:12, 13, 14, 16, 18, 20, 24, 27, 28, 32, 36, 40
Packing:slider card