IDEX Two-Piece SealTight Fingertight Fitting is designed so that the nut and ferrule create dual compression. The forward cone on the ferrule provides outstanding gripping power and a leak-free seal. Manufactured for biocompatible PEEK it offers excellent chemical resistance. It has a 10-32 port configuration, is for 1/16OD tubing and comes with Ferrule F-192. It comes in black.