Hose Coupling Set 2 1/2" NPSH Couplings_Aluminum you need 2 1/2 inch

you need 2 1/2 inch plug which is the most common in the US

Diameter: 1 1/2 inches

The female connector has two cams as part of the assembly

This strap must be purchased with the hook and cannot be added on later

The tool will also open standard 70 mm caps on 5 gallon foam concentrate pails and the large and small threaded plugs on 55 gallon drums

Hose Coupling Set 2 1/2" NPSH Couplings_Aluminum you need 2 1/2 inchIncludes one brass female coupling and gasket with an aluminum shank and an aluminum male shank. Requires banding clamps to attach to any hose. The female coupling will attach to a 2 1 2 inch male pump discharge with NPT threads.