The Single Head Adjustable Hydrant Wrench is a versatile tool designed for operating fire hydrants and connecting hose fittings. This adjustable wrench accommodates pentagon hydrant nuts up to 1 1/2 inches and square hydrant nuts up to 1 1/4 inches. Its integrated spanner head is compatible with 1 1/2 inch to 6 inch rocker lug or pin lug fittings, making it essential for fire safety professionals. The wrench features an overall closed length of 18 3/4 inches, a head width of 4 1/4 inches, and a 7/8 inch handle diameter.