3.1/2" NPT Screw Plug Thread Gauge L1 Step Min / Max
Specification 3.1/2" ANPT Thread Step screw plug gauges 3.1/2" NPT Calibration service available see calibration Part Number ES-13584Visit the JLS Supplies Ltd website for more information on 3.1/2" NPT Screw Plug Thread Gauge L1 Step Min / Max