... 2000x0.05, 3000x0.05 2. Reasonable price, good service Tube Type Big Calipers Brief introduction:-- Established in Apr. 10th, 2001 ... ISO9001-2008; -- Being one of the largest professional manufacturer and supplier of Gauges, Taps & Dies, Cemented Carbide & ... a trustworthy and professional team with experience of 30 years;-- 5 years' cooperation & experiences with Alibaba. Tube Type Big Calipers ...