1. For a complete Giga-8d system it is recommanded (as a standard) to add one coil with gold wire; Ø 12.5 or 18 µm.
For renewing your consumables,
Silver glue: may deteriorate with time don't order more than needed
Gold wire: use the 12.5µm wire only for small insects. It is more difficult to
handle than the 18µm wire