Check the listing for details. 5 13N21 .040" TIG torch welding collets. Condition: New. Listed at 4.00 USD. 5 brand new Tig Collets. These collets are for use with a .040” Tungsten. The collets have a part number 13N21. They fit all 9 series air cooled torches and 20 series water cooled torches, including the Lincoln PTA-9 and PWA-20 torches, Miller Diamondback DB9 and DB 20 torches, along with the Weldcraft WP-9 and WP-20 torches. The collets measure 1" long.Go to our store and see all the other items we have for sale: https://stores.ebay.com/welders4lessIf you need any other hard to find welder parts that are not listed, send us an e-mail with a digital photo- we might have just what you need. Buy in confidence from HTP America, Inc., your total welding specialist since 1981, where for over 30 years all we have sold are quality welding supplies at affordable prices. Call us at 1-800-USA-WELD (800-872-9353) or send an e-mail if you have any questions on our items. 13N21-5