Product Review

The 4577 Fire Coupler Spanner/Gas Wrench is a strong, lightweight wrench that is used to tighten and loosen 1", 1 1/2", 1 3/4", 2", 2 1/2" and 3" fire hose line couplers, swivel hose fittings and anvil lug couplers. The 4577 can be used for opening conventional 70mm caps on foam concentrate containers. This Spanner/Gas Wrench is made from a strong, glass-filled nylon and is spark and corrosion proof.