The high-quality GARDENA Premium Water Stop allows fast and convenient connection and change of accessories at the hose outlet. On disconnecting, the water stops automatically, on connection of the dispensing device it flows again. This saves a trip to the tap when changing accessories. Through the grooved soft plastic grip, the Water Stop lies well and securely in the hand. The Water Stop is protected by a rubber ring that prevents damage. Thanks to the sturdy clamping nut made of high-quality metal, the product holds hoses especially firmly. The Water Stop is suitable for19 mm (3/4") and 16 mm (5/8") hoses.