What tool is specifically used to couple or uncouple hoses in firefighting?

The spanner wrench is a specialized tool designed specifically for coupling and uncoupling hoses in firefighting. This tool can be easily adjusted to fit various sizes of hose couplings, allowing firefighters to securely tighten or loosen connections between hoses. Its design typically includes a set of prongs or teeth that grip the coupling, providing the leverage needed to turn it without damaging the hose or coupling itself.

Using a spanner wrench is crucial during firefighting operations, especially when time is of the essence, as it aids in quickly establishing or disconnecting water supplies. The use of tools like a pry bar, pipe wrench, or utility knife does not fulfill this specific need effectively. A pry bar is primarily used for prying or lifting, a pipe wrench is intended for gripping and turning pipes rather than hose fittings, and a utility knife is mainly for cutting purposes. Therefore, the spanner wrench stands out as the appropriate and effective tool for the task of managing hoses in emergency situations.