The archive contains:
— File 3ds max 2021 (NS_Ethnicraft_Stability_Bench_2021_corona.max)
- Obj (NS_Ethnicraft_Stability_Bench.obj)
- Mtl (NS_Ethnicraft_Stability_Bench.mtl)
— Folder with textures

Model scene in millimeters.
Materials are made with Physical MTL (supports Corona 7 and above)
The object's pivot point is in a logical place (at the bottom).
Unique names are given to objects, materials and textures.
The scene object has a TurboSmooth modifier applied in render mode 2.

Link to the bench: https://ethnicraft.com/ad/en/p/10160113/stability-bench 

For Corona render, it is recommended to install version not lower than 1.5, since the glossiness of materials is configured taking into account PBR.