For this scene you will need V-Ray 2.20.03 or higher.
VRay versions contain the model that uses a VRay shader (based on VRayDirt) for the fretwork. Scanline versions contain the model that uses a simple standard shader for the bed. All other formats contain no materials and some of the meshes need subdividing.
Model elements are assigned ID according to the material.
The elements of model provided as Editable Poly with turned on NURMS Subdivision (render iteretions).