Measure units are meters, it is 3 centimeters in height.

There is two version of files, triangulated one and one with quads only. I suggest that it is better to use the triangulated file.

PBR Texture are available in 512x512 and 2048x2048  resolution.

This PBR texture sets are available:
1) Metal_Roughness
2) Spec_Gloss
3) UE4
4) Unity_metal

Textures are packed in .blend file and available in separate archive.

Available formats: .blend, .fbx, .obj, .3ds

triangles count: 768

Render is made in cycles and Iray (three ones on gray background)
Material for cycles is inside of .blend file.