Quality coupling for connecting pipes, piping and more. Made of stainless steel. The total length of the coupling is 9.5 centimeters. The inner diameter varies from 5 to 6.5 centimeters. The degree of clamping is adjusted by sturdy clamps on nuts. The installation of the couplings is simple and easy to understand. The special design feature makes it easy to put on and quickly remove the coupling when needed.