... , and over H10 3. Reasonable price, good service Plain Plug Gauges Brief introduction:-- Established in Apr. 10th, 2001 & certified by ISO9001 ... ; -- Being one of the largest professional manufacturer and supplier of Gauges, Taps & Dies, Cemented Carbide & Measuring tools in the west of ... 30 years;-- 5 years' cooperation & experiences with Alibaba. Plain Plug Gauges TQ1029