This vintage F799 SPKR wrench is perfect for small or large frame fire sprinkler valve head. It is made by Grinnell, a well-known brand in fire protection equipment industry, in the United States. The wrench is in good working order and has not been modified.

The F799 sprinker wrench is a great addition to any fire protection equipment collection. It is designed to work with Grinnell sprinkler heads and is a must-have tool for any fire safety professional.