Material: Made of high-quality brass, sturdy and durable, wear-resistant, corrosion-resistant, rust-resistant, and aging-resistant. Applicable: 1/2 inch hose connectors, suitable for 4-point water pipes with an inner diameter of 12 mm and an outer diameter of approximately 16 mm. Purpose: The quick connector has a spring-loaded structure inside that makes it easy to connect and disconnect without the need for tools. Simply pull down to attach and remove securely. Usage: Can be connected to pipes of the same size and various nozzles, sprinkler heads, and irrigation devices. Can be used indoors, outdoors, or in the garden. For quick connection of 1/2 inch garden hose fittings, quick connectors Details: Material: brass + plastic + steel ball Specification: 1/2 inch (4 points) Quantity: 6 pieces Color: Yellow Water pipe inner diameter: 12 mm Water pipe outer diameter: 16 mm Contents: 4 hose connectors