Gilmour's Polymer garden hose nozzle has a straight barrel that twists to control the amount of water flowing through. To change the spray pattern nozzle， you twist the end of it. One direction will give you a fine mist to hard stream the other direction will turn off the flow completely. Gilmour Poly Twist Nozzle Rustproof twist nozzle 2 O-ring seals for leak-proof operation Adjustable from fine spray to needle stream to heavy rinse Impact resistant， rustproof polymer construction Not recommended for hot water use Plastic Made in USA Your security is our number one concern