Nut and Ferrule Set, 1/4-28 (for 1/16" Tubing) Back Catalog number: CTS-21808 Availability: In the manufacturer's stock Price on request - + Recommended CTS-10303 Sapphire Plunger Price on request CTS-11458 Capillary, 280mm x 0.17mm ID Price on request CTS-21635 Gasket, 2/pk Price on request