Finger-Tight Column Nuts
By Restek
Made from high-quality stainless steel, these Finger-Tight nuts work with standard or compact (Agilent-style) ferrules and allow wrench-free column installations.
Use cat.no. 226-21040 with "compact" Agilent-style ferrules; use cat.no. 226-21041 with standard 1/16"-type ferrules; and use cat.no.226-21042 with standard 1/16" compression fittings.