Teng Thread Gauge Metric/UNC - 55 Blades
54 blades in a handy holder with tightening screws Thread gauge 60° Suitable for measuring metric and UNC threads Manufactured from #45 steel for a long lasting gauge No. of blades = 54 Range = 0.25-6.0 Metric Thread Gauges Range 2 = 4-42 UNC Thread...