Mitutoyo Standard Thread Measuring 3-Wire Sets with Holders - Various SizesMitutoyo Standard Thread Measuring 3 Wire Set with Holders Features include Measure set of thread plug gages and working thread plug gages. Monitor the wear on working thread plug gages. Monitor and control pitch diameter variation during thread fabrication. Reduce measurement time to a fraction of the time normally taken using the traditional three wire method. Use in conjunction with Go No go thread ring gages to control thread size to the most