This vintage fire sprinkler head wrench is a must-have for any collector or mechanic. Made by SPRK Wrench in the United States, this 9" L wrench is designed for use with PD-1 valve tools and off-set MOD B sprinkler heads. The wrench is perfect for those who appreciate vintage tools and hardware, and is sure to be a conversation starter. Whether you're a collector or a mechanic, this wrench is a practical addition to your toolkit.