MailStream Plus How does PB MAX create bundle thickness for market mail?

What bundles sizes would be created if the parameter PB MAX position 24-28 Maximum Bundle Thickness were set to 00003 .
Would PB MAX create 3 inches or or 6 inches bundles?

The PB MAX parameter card defines the maximum thickness, in inches, of a bundle of mail on a pallet; Say for example the max is set to [00003] then maximum thickness will be 3 inches and if set [00006 then maximum thickness will be 6 inches.
UPDATED:  September 15, 2017