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! It has a 10-32 Coned thread port configuration and is for 1/16 tubing OD . This male Nut comes in red, 10 pack of red, natural color and 10 pack of natural color.