Our most popular and 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 your fingers to tighten the fitting into the receiving port! It has a 10-32 coned port configuration and is for 1/16 OD tubing. It is available in natural, blue, black, green, red, yellow, a 10 pack of natural PEEK.