Individual Shiny Knife blades for replacement or loadout options.  All blades are now Mk.5 by default - include a note if you need a Mk.4 blade.  No handle, sheath, or electronics included; these are blunt acrylic blades only.  Any combination of features can be made, just keep these tips in mind:
 
All blades come with the basic edge engraving.
The red or green tinted blade finish only works with red or green LEDs, respectively.  These blades are also UV reactive.