I have been looking for years for these. I use to buy them from Radio Shack back in the day, & our local electronic wholesalers stocked them also. I'm in my 50's & still prefer these over the electric stations. You can change the tips which is good. There are many used ones on Ebay, which I would not buy. So if you are looking for new ones here they are. I bought four & they did accept my offer of $2 off each. Years ago I bought extra tips. Here is the info:
ebay.com link: NTE ECG J 045 DS 45 WATT ELECTRIC CORDED DESOLDERING IRON