Pin Gauge, Plug Gauge, Block Gauge manufacturer / supplier in China, offering Pin Gaige Set 12.010-13.000, Pin Gauge Set, Plug Gauge Set, 3.000mm--3.990mm, Step 0.01, 100PCS, Metric Pin Gauge 4.000-4.990, Pin Gauge Set, Step0.01, 100PCS/Plug Gauge and so on.