Our NanoTight kit allows you to easily connect capillary tubing to standard 1/16" ports. Our NanoTight Kits are carefully manufactured using Dupont® FEP fluoropolymer – a highly inert, melt-processed polymer that serves as an excellent alternative to PTFE. Our kit is designed to increase flexibility and convenience at a lower per-piece price than if the components were purchased separately. It comes with (10) green .033 ID tubing sleeves and (4) F-330N Nut, NanoTight™, Long, With F-142N Ferrule, Peek™, 10-32, natural color.