This pencil contains pressed pigments instead of lead. Be careful when you sharpen or use them. They are pretty soft and pressuresensitive. Write or draw on bisque if you desire a pencil-like effect. Also perfect for marking masterpieces with names or phrases.
With clear glaze food safe.
Use underglaze pencils for: - drawing or etching on ceramics bisque - marking or signing on ceramics - combining with paints and glazes
