Vectric VCarve?

[WillAdams (William Adams (Carbide 3D))]

Please see:

How to set up the BitSetter with Vectric Products

Either edit the post-processor you are using, or get one which supports tool changes: (note that Vectric support has been sharing that file to customers who ask after this) See: Vcarve Pro and Post Processor for further details.