Purpose Liberon Retouch Crayons can be used to fill scratches, nail holes, worm holes etc. in furniture and other woodwork. Easy to use, they are available in a wide range of colours. Assorted Kitchen includes lighter colours that are more suitable for kitchen units. Performance - For filling and masking superficial scratches on finished wood. - Expand and contract with the wood. - Does not shrink or drop out. - Easy rub on and buff off application. - Wide range of colours available.