1Iron-plated nickel is durable and has long service life. 2Can withstand greater and larger pressure without tripping. 3Advanced structure, good performance and durability. 4It is very suitable in sealing household and industrial pipes. 5The sealing effect is outstanding and can withstand 0~60 of medium. Features: Iron-plated nickel is durable and has long service life. Advanced structure, good performance and durability. Can withstand greater and larger pressure without tripping. It is very suitable in sealing household and industrial pipes. The sealing effect is outstanding and can withstand 0~60 of medium. Specification: Thread:MBSP Thread Size:1/8'' 1/4'' 3/8'' 1/2'' 3/4''(Optional) Thread Outer Diameter: 9.5mm/0.37in Temperature Endurance:0~60 Material:Iron Plated Nickel Package List: 10*Plug Hex Socket Head