Product CatalogAmerican Tapered Pipe Thread Ring Gauge NPT 1/16 1/8 3/8 1/4 1/2 3/4 NPT1'1/4 NPT2 Pipe Thread Gage 1/16-27 1/4-18 1/8-27 3/8-18Tools > Tool Parts$40.42 (≈ CA$56.33)$59.44In stockSold by AliExpress WWTo Store