From the release:
Retro Space Set Five: The Metal Legion gives you twenty nine original 30mm Pulp/Retro Sci Fi themed 2.5D miniature models to build. They are perfect for roleplaying games or wargames. All files are 300dpi. This is a layered PDF that allows you to toggle on and off the text allowing you to save ink when printing.
There are two 'goodies' pages allowing you to swap out limbs and equipment. Create hundreds of variations.