Series KQB2 is available with M, R, Rc, UNF, NPT or G connection threads.Threads: UNF, NPT , Compact and light weight , Grease-free , Applicable tube material: FEP, PFA, nylon, soft nylon, polyurethane, polyolefin , Electroless nickel plated (brass parts), FITTING, METAL, MALE CONN, CONNECTORS, KQB2 BRASS ONE TOUCH FITTINGS, DA, KQB2 5/32 INCH, .01984 lb