This model uses metalness workflow.It has both branded and un-branded versions and comes with 4k textures for Ambient Occlusion, Base-Color, Metallic, Roughness and Normal with only Base-Color and Metallic changing between branded and un-branded versions.Enough margin was provided between the uv islands while packing to allow the textures to be down sized seamlessly. It was also modelled according to real-world scale.