Premium quality "jumbo" Alumina cups 57N74 / 57N75 / 53N87 / 53N88 / 53N89 fit large diamater gas lenses on all 9,17,18,20,25,26 TIG torches. Use of these cups will require additional cup insulator (54N63 or 54N63-20) installed on torch. Standard 1 per pack. 57N88 TIG Alumina Nozzle(1-Pack) 53N88Elsewhere: $ 3.85Welding Direct Price: Additional discounts may be available for volume orders. To speak with a customer service representative for details, call, toll free, 1-866-568-3170 . Welding-Direct.com is in no way affiliated with the above named manufacturers. References to named machines, torches, welding guns and numbers is for your convenience only. Most parts advertised for sale are made by or for Welding-Direct.com; other parts, as indicated, are original parts (OEM) and are simply being resold by welding-direct.com. Copyright 2004 Welding-Direct.com. All rights reserved. Details on our Free Delivery policy may be found on our Information page.