The torch alignment tool is for use with demountable quartz torches in ELAN 9000, 6x00, DRC II, and DRC-e, and all NexION 300 and 350 ICP-MS instruments. Model Compatible With: ELAN 9000, ELAN DRCs, NexION 300, NexION 350, ELAN 6x00. Technology type: icp-ms. Sold in each.