To modify the model, you can open the ".blend" file in Blender.

This model has such materials with the following 4K textures:

1) MI_PlasticGlossy01

T_PlasticGlossy01_BC.png

T_PlasticGlossy01_MT.png

T_PlasticGlossy01_N.png

T_PlasticGlossy01_R.png

2) MI_MetalSteelStainless01

T_MetalSteelStainless01_BC.png

T_MetalSteelStainless01_MT.png

T_MetalSteelStainless01_N.png

T_MetalSteelStainless01_R.png

3) MI_PlasticGlossy01GreenForest

T_PlasticGlossy01GreenForest_BC.png

T_PlasticGlossy01GreenForest_MT.png

T_PlasticGlossy01GreenForest_N.png

T_PlasticGlossy01GreenForest_R.png