This is only available through Kickstarter. 21cm pan for $59 plus shipping. I jumped on as I want to try them out. This one is lighter at 2.5mm vs the normal 3mm.
5 days only left if you want one, I think it said this one will only be available from Kickstarter.
https://www.kickstarter.com/projects/solidteknics/solidteknics-lightning-iron-skillet-100-australian-made?ref=d3ebn1&fbclid=IwAR3RE5o4CksozXtC3NuPqzDRTk4DCEF948YGvjBdhjz2zynm-LhjJJq7BNA