This is the updated version of the Hozelock hose end connector and is superior in many different ways. All the internal parts are made from ultra tough engineering plastics for a long leak free life, has a triple locking system for the connection to the tap, a comfortable sleeve with soft touch grip making this easy to use even when wet and an extended flexible tail nut for the hose connection for durabiliity and to prevent hose kinking. The redesigned hose tail nut also prevents hose swelling and leaks. This size is suitable for use with all 12.5mm 1/2" and 15mm 5/8ths" hose