3pcs male + 3pcs female garden hose repair kit, hose joint diameter is 0.5/12.9mm, easy to insert or remove 1/2 hose. Made of brass heavy duty with anti-rust for durability and long life use. The 6 hose clamps are made of 304 stainless steel. Standard US 3/4 thread garden hose connection, easy to connect and to disconnect, use to repair and connect the end of the water pipe.