PLATINUM PX series TIG parts feature glass cups / nozzles, High-temperature glass cups provide superior arc visibility compared to ceramic cups, benefiting experienced and beginner operators alike. Fit to common 17/18/26 series torches, premium parts designed for consistency and long-life, no quality short-cuts. Also compatible with Unimig pyrex series. Parts kits include compact storage box, to easily fit in any toolbox or hang on pegboard/slatwall, with images and part numbers for easy identification and re-ordering. Large Diameter 1.6/2.4/3.2mm