Set of 20 oak button plugs for Erik Buch model 50 teak armchairs and other chairs with similar plug holes.The button plugs have the original dimensions and shape to ensure that they fit perfectly to the plug holes and are made of oak and tanned in 3 teak variations - a bright colored, medium colored and dark colored in order to make the best possible match for your chairs. In case you wish to handle the tanning locally you can also buy the plugs untanned.