Double Head Hydrant and Spanner Wrench Set Female Size_4 1/2 Inch 11 1/2 threads per inch

11 1/2 threads per inch and male 1 inch NPSH

ASA Forged Flanges have raised shoulder with no raised face

Light Industrial Use

0 inch NPT or NPSH male hose coupling is 2

Double Head Hydrant and Spanner Wrench Set Female Size_4 1/2 Inch 11 1/2 threads per inchFire hydrant and spanner set includes Pentagon heads up to 1 7 8 inch Square heads up to 1 1 2 inch Double hook spanner head fits 3 4 inch to 6 inch rocker lug or pin lug fittings Spanner Wrench is strong, rugged wrench for rocker lug and pin lug couplings. Fits 3 4 inch through 6 inch pin or rocker lugs. Gas cock shut off location provides maximum tool leverage and strength.