Quick clamp knurled nut

Fitting PEEK, Fingertight-hex, 10-32, 28,1mm, pk/5

Couplings, PTFE, UNF ¼” 28G for tubing (1/16" x 1/8")-1,6 x 3,2mm

Nut, PEEK, two-piece fingertight, 10-32, 5/pkg