Hi Axel, You want a 1/16" to 0.8mm ferrule for the stainless steel tubing. Alltech Part# 100/0.8-VG1 https://grace.com/pharma-and-biotech/en-us/Documents/Analytical%20Chromatography/GC_FerrulesNFittings.pdf You want 1/16" to 0.4 < 0.5mm fused silica adapter for the fused silica tubing. Vici part# FS1.5-5 http://www.vici.com/vfit/fs_fs.php Enjoy, Georges ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Georges L. Paradis Analytical Lab Manager Marine Science Institute Bldg 520, Room 4002 University of California Santa Barbara Santa Barbara, CA 93106 805-893-3802 (MSI lab) 805-893-3041 (ICPMS lab) [log in to unmask] msi.ucsb.edu/services/analytical-lab ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ On 10/31/2014 1:41 PM, Axel Iram Rosas Campos wrote: > Hello List members, > > I need help to identify the correct part number for the ferrule that holds > the steel capillary from a gasbench sample needle onto the bulkhead > connector (on the top of the GB). > > I want to get some extra as i've gone through a couple with the last > needle changes, but they came with the needles and I'm not sure of the > exact type/size. > > Thank you, > > Axel Rosas