Decent Quality. Made of high-quality brass material, sturdy and rust-resistant, not easy to break, and resistant to shock. Safe and durable material can serve a long time use. Leak-proof Seal. Equipped with a rubber ring on both sides, which can ensure that the joint is completely sealed to prevent water leakage and keep it clean and tidy. Strong practicability. Suitable for agriculture, lawn, garden irrigation system, great for a large garden, high-pressure car washing, water gun, household plastic fittings, etc. Double-ended hose joiner male connectors allow 2 lengths of hose equipped with female connectors to be joined together, and extend the length of the pipe quickly if needed. The quick hose end connector fits with 1/2'' DN15 Hosepipe (ID 13 mm / OD 16mm). The set is compatible with the most popular brands on the market (including Hozelock and Gardena). Set includes 1 x brass hose coupler joiner and 2 x brass matching quick hose end connectors.