Aluminum 1" NPT Female Quarter Turn Forestry Adapter Pick One Side_4 1/2 Inch Double hook spanner head fits

Double hook spanner head fits 3/4 inch to 6 inch rocker lug or pin lug fittings

however there are "local" exceptions

Meets National Fire Equipment System (NFES #2229)

Safety Note - Not intended for pressure applications - for protection only

bottom and ends

Aluminum 1" NPT Female Quarter Turn Forestry Adapter Pick One Side_4 1/2 Inch Double hook spanner head fitsAluminum 1 inch National Pipe Tapered (NPT) Quarter Turn Forestry Coupling. The Quarter Turn Forestry Couplings are made out of forged aluminum. Common quarter turn sexless head design (1 1 2 inch QT fitting will mate with 1 inch QT or 3 4 inch QT). For use up to 300 PSI.