Dunno about all that much help!!
If your local brake joint is near useless and a rip-off, you could buy something like this if you have any future work in hardline -
https://www.graysonline.com/lot/0063...aring-tool-kit
- only need a single flare for that slave seat I think. They're not as nice as the full-on bench mounted devices but can save a fair whack over shiny fittings and abrasive line. This one will no doubt end up costing more than new, despite missing the tube cutter and the wing nut being over tightened and broken!