METAL AND RUBBER: The Magnum UltraMAX Premium PRO adjustable water sprayer nozzle is constructed from durable Aircraft aluminum, brass, and TPR rubber. From a trusted USA-based company. VARIABLE FLOW: A heavy duty water hose nozzle with adjustable droplet pattern, from light fog and low volume to high volume, jet stream, and fan. INDUSTRIAL QUALITY: The commercial quality fireman's nozzle for garden hose offers continuous flow and smooth operation. Feels good in your hands and offers professional quality. HIGH PRESSURE: The Underhill NG600-SFH-75 jet nozzle for garden hose has an output of 15-40 gallons per minute (GPM). Recommended for commercial use with higher pressure 70+ psi needed; not recommended for residential use. COMPATIBILITY: Use with pistol grip or firefighter grip valve (sold separately, items SV or SV-10). The hose end sprayer is ideal for golf course isolated dry spots on greens and fairways.