Twin ferrule fittings feature sizes range from 1/16” to 2” and 2mm to 50mm, diverse materials and configurations are available, precision machined components ensure perfect deformation of the ferrules and tubing, hardened threads and smoothed surface finishes extend fitting life and prevent sticking of the matching threads. female nut threads are silver-plated to minimize the friction with body threads, radius junction design within elbows provides smooth flow path, every fitting is stamped with size, material and heat code.