Thought others might be interested in these. Bought a couple to try out, and they're nicely made. Fairly thick gauge steel with vintage style, brass lug headers. The smaller size (51x57x81 mm) is about the size of an HA-100 can. Price is good, too.
Grab an Edcor and some beeswax, and you're off!
https://www.ebay.com/itm/51x57x81mm-Iron-Amplifier-Transformer-Chassis-Cover-Protector-AUDIO-DIY-1pc/203113098194?hash=item2f4a7bebd2:g:XgMAAOSwEFheJgch
Grab an Edcor and some beeswax, and you're off!
https://www.ebay.com/itm/51x57x81mm-Iron-Amplifier-Transformer-Chassis-Cover-Protector-AUDIO-DIY-1pc/203113098194?hash=item2f4a7bebd2:g:XgMAAOSwEFheJgch