MaterialMade of sturdy brass, durable and rust and rust resistant material. SizeQuick connector is compatible with 1/2""inch flexible hose (outer diameter 16mm) UsageIt can be attached securely and can be detached by simply pulling the body. ApplicationSuitable for most male end connectors (outer diameter 16mm); applied in gardening, wahshing cars, etc. Quantity 4 packs 4 sets low garden hose connector for 1/2 inch hose quick connector (quick connector) Durable material: This pipe fitting is made of brass, strong and durable. material ensure years of extended use. Standard size: Connectors fit most 16mm (1/2 in) male end connectors; and also fits most 1/2 inch garden hoses. Quick and easy installation: The hose end connector is easy to assemble without additional tools; Great solution for indoor appliances and outdoor gardens, and provides efficient, durable and leak-proof connections for your pipe system.Wide Application: The 1/2 inch hose quick connector can connect to many male end connectors, such as faucet connectors, double connectors, Y connectors, etc. "