Brake line Diameter for 68 camaro

[TheChief]

Guys,

I am thinking of pulling out all my old brake lines and replacing with stainless when I do my brakes this winter.

The setup will be as follows:

Detroit Speed Brake master cylinder and booster

Front:

Dynapro 6 Piston 12.19" Disc

Rear

Dynalite 4 Piston 12.19" Disc

Braided hoses all round.

I have been told that the DSE master cylinder requires new lines as the holes are in a different position.

my question is, what diameter line should I go for?

Cheers

Jonny