These are classic Shaker style cabinet knobs, made from solid walnut.
The wood is untreated and ready to be stained, waxed, oiled or varnished.
When finished, they have a deep warm brown colour.. 

Note: The wood grain may vary from that shown in the photo.

Details:
Installation: screw ( not supplied) 4 x 40 or 4 x 45 standard wood screws work well depending on thickness of door or drawer
Diameter: 29mm
Depth: 29mm
Finish: Unfinished - ready to be oiled, waxed or stained.