Introduce a little shimmer and shine to your sketches and drawings with these bright, highly reflective pencils. They work best on a dark background and can be used on their own or with other media to add brilliant definition and highlights. Derwent Metallic is watersoluble, so you can also create interesting line and wash effects. 3.4mm core. colours include: Silver, Pewter, Gold, Antique Gold, Bronze, Copper, Yellow, Red, Pink, Purple, Blue and Green.