Dinse 3/8" or 1/2" male connector with 5/8-18RHT side gas hose connection. Use these connectors with 9, 17, 24 style Tig torches with One Piece Power Cable only. Determine if your power supply has the 1/2" (12.7mm) stud or the 3/8" (9.5mm) stud. Then, select the connector for your application from the list below. Dinse Connector Gas - Side Flow-Thru w/Hose 511_xxxxElsewhere: $ 69.50Welding Direct Price: Select: 511N9015(Fits,9,17.Torch)1/2"Stud511N9015-375(Fits,9,17.Torch)3/8"Stud511N9015-24(Fits,24.Torch)1/2"Stud511N9015-24-375(Fits,24.Torch)3/8"Stud 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.