IDEX original One-Piece Fingertight Fittings offer the convenience of making a tubing connection without the need for wrenches or specialized tools when tightening the fitting into place. Simply use yIDEX fingers to tighten the fitting into the receiving port! This long fitting is PEEK, 10-32 coned port is for 1/16 OD tubing. It is available in natural color, blue, black, green, red, yellow and a 10 pack of natural color.