All models are in separate files, and each has own 4k textures, so you can use all models or you can pick some without any trouble. Models have sets of PBR textures: albedo,metallness, roughness, specular, normal.
Models are exported into .obj and .fbx formats
All 4 models has together 5328 plygons
If you like the model, but need any modifications, feel free to ask.