We have birch mushroom buttons to finish that latest furniture project. The 3/4" Birch Mushroom Button come in a package of 10 smooth unfinished buttons. The most popular use of the mushroom plugs is to cover the holes in furniture that house screws that hold the piece together. Unconventional uses for the mushroom plugs include being used as spacers, game pieces and interesting features in craft projects. The pieces arrive smooth and ready to be installed in your wood craft project, ready to paint or stain.