Our One-Piece PEEK Fingertight Fitting is uniquely designed to offer a simple fittings solution. Our easy to tighten fitting is simple to use and economic. Manufactured from biocompatible PEEK it offers excellent chemical resistance. It has a 10-32 coned port configuration and is for 1/16 OD tubing. Our fittings come in 10 Packs with black, blue, green, gray, red, white, yellow and multi-color fittings knobs.