Nothing too complicated here; assets will be ready to copy and paste or append to your scene upon downloading the blend file.

External data is packed within the Blend file, but a separate folder containing textures has been included as well. Assets utilize color, metalness, and roughness. Roughness and metallic are packed into the same texture - red and green channels, respectively.  

Brand color can be changed within the "Tools" shader via the "Brand Color Switch" node:

Texture interpolation is set to "closest" to ensure the base color displays properly:

Feel free to reach out if you run into any bugs, concerns, or questions!