Features Light weight and easy to carry, easy and convenient to install Can be used on various pipes, such as air pipe, fuel pipe, water pipe, etc Straight coupling for connecting two pipes of same sizes going in the same direction Male threads on both ends for connecting two female threaded pipes of same sizes Made from stainless steel 304 material for strength, rust-proof, durable and long service life Specifications: Material: 304 stainless steel Type: Male x Male Connection: BSP-BSP Length: 200mm / 7.87" Thread Size( optional )1/4"BSP1/2"BSP3/4"BSP1"BSPInner Diameter9mm15mm21.7mm27mmWeight(approx.)132g178g220g375g Quantity: 1pc Package Includes: 1 x Pipe Fitting Note: 1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Package List