Nut 10-32 One Piece Black PEEK™ Male for 1/16" OD Tubing, 5/pk

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

Internal Union PEEK 1/16", 0,25mm bore

SS Reducer/adapter 1/16"*1/32", 0.5mm bore