Titanium

Titanium 3" 3 inch The Titanium Series is a line of partially die-cast figures produced under Hasbro's Galoob brand as a subdivision of Micro Machines. Robot Masters are 3-inch, non-transformable, die-cast figurines of Transformers characters from various past and present toy lines. Cybertron Heroes are 6-inch, transformable, partially die-cast toys, representing both pre-existing toy designs as well as all-new models by Don Figueroa.