This kit is Thermal Dynamics part no. 7-8910. Here is a link to the same item sold by IOC.
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This kit has never been used once. I bought it from an estate sale hoping I could make it work for my Hypertherm T-60 torch, but it doesn't fit. I'm sure it could be made to, but I'm going a different way and need to sell this. The price is $125 firm, actual shipping extra (probably about ten bucks).To email me, don't reply to this as my newsgroup email address is entirely bogus. Rather, send it to gwe AT tinyisland DOT com and I'll get it right away, or you can call me at 425-864-0638. I'll post again when it sells.
I've seen a few of these types of kits, and this one is exceptionally well made. You may wish to check out the manufacturer's page:
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Grant Erwin Kirkland, Washington