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When welding stainless or other specialty metals, back purging may be required. This kit does just that while still being mounting in the Arc-Zone A-PT-051 Welding Positioner. This kit works with or without a chuck installed and includes everything you need to get up and running.
The center tube is designed for use with the A-PT-C040 chuck. The tube length can be modified for use without a chuck or for custom applications.