There are total of 17 textures in the zip file half of which are normal maps others are albedo, roughness and bump maps.The size of textures range from 1k to 4k Total tris : 3450Total faces: 1723
The mesh is mostly quad, there are few triangles and polygons at some points but they won't cause any problems.the normal maps aren't perfect there are few jagges edges but they are not noticable unless you zoom to that level.
blend file has all the textures packed.