In the file, there are 5 spheres with wood materials.
The materials are of 2 types, 2 universal materials (Wood L Multi, Wood Lbrown Multi),
easily adjustable to set the wood color for your needs (preview 6).
3 materials with PBR textures, as shown in the 3rd preview.
The material uses a single map in the Reflection, Glossiness, and Bump options, but there is also a Reflection map in the textures.
Textures are 5k and 2k (seamless) square, with 5k resolution textures used in the file.
Each set of maps contains 2 textures of the same material (preview 5).

The colors are brown, black, oak, natural, light.
wood material, materialwood, texturewood, wood, timber, wood veneer, veneer, texture, seamless