The Liberon Wax Filler Sticks repair cracks, splits and small to medium sized holes without sanding or having to strip the finish. They can be applied without a heat source and have no shrinkage, making them ideal for use on finished furniture and other articles. A wide range of colours are available, all of which are intermixable. For interior use only. Available in singles or boxes of 16. The Liberon Wax Filler Stick is a blended wax filler used to repair cracks, splits and small to medium-sized holes without sanding or having to strip the finish. It can be applied without a heat source, is quick drying and has no shrinkage making it ideal for use on finished furniture and other articles. It is easy to use and quick drying.