The separate locking claw is clamped down by the brass nut to provide a secure connection to the hose. The quick connect end "clicks" onto male snap on fitting found all hose end garden watering products. Featuring a machined non slip grip, it's easy to handle and remove, especially in wet environments. Virtually unbreakable. It suits 1/2" fittings. Tough connector design is machined from solid brass. Ideal for the home gardener, handyman, to commercial or landscape applications.