Like Walker cup says. . 2 types of head for the custom fit process.
swingweight for " off the shelf " sets are around D 2. but Mizuno state in their catalogue vary from D0 - D3,
As for custom fit swingweight is your preference, when filling out the custom fit order,, what ever you want they will make up the set to that swingweight, .
The wedges are always 1-2 swingwights more-