The ZF-MX will be available in 1x, 2x, and 3x single row keysets as well as a WASD / UDLR variant. 

They are all machined from solid bar stock.

The Keycaps are ABS plastic.

They are currently outfitted with Blue Cherry MX switches but can easily be swapped to any other MX variant switches. You have the option to swap your own MX compatible keycaps as well.