The SMC series KKA S coupler with Plug , body material is stainless steel 304. Threads sizes available R, Rc, from 1/8 to 1 1/2. Male thread
Body size 1/8, 1/4, 1/2, 3/4, 1, 1 1/4.
Applicable Port Size R1/8, R1/4, R3/8, R1/2, R3/4, R1, R1 1/4, R1 1/2