Brake line nut size/flare on Master Cylinder
 

Working on a 1987 4runner, I’ve been focused on freshening up the brake system under the hood. My brake lines seem to be in ok condition, so I was thinking I could just replace the nuts on all the lines to freshen it up. I live in north west California, where it’s coastal and rains a lot, so rust is a big problem for me. I’m wondering if I have the correct size for everything. Lines: 3/16 Flare: double inverted. Tube Nut: M10x1.0. I was planning on buying a pack of stainless steel ones from “4Lifetime”.

https://4lifetimelines.com/products/stainless-steel-tube-nut-316-m10x1-0-inverted/

Also, anybody ever bought products from them?

https://cimg8.ibsrv.net/gimg/www.yot...16059248e6.jpg
https://cimg2.ibsrv.net/gimg/www.yot...c8aaca70a7.jpg
https://cimg9.ibsrv.net/gimg/www.yot...f389b4384b.jpg
I’m also swapping out the old master cylinder for the v6 one. I put it on as is and it rusted like no other, took some time the other day to wire wheel it and paint it