Quick connect & durable, this premium Hozelock fitting is especially designed for 15mm to 19mm diameter hoses. Constructed from a combination of Metal & Polypropylene, a Zinc die cast sleeve assures strength and scratch resistance whilst an innovative internal value immediately stops the water flow when an accessory is disconnected. Aqua Stop is ideal for use at the gun end of a hosepipe and plus a flexible tail to prevent your hose from kinking. Female connection type.