Urge Palette Art Supplies - Lyra Graphite Crayons and Hexagonal Holders. These solid graphite crayons are perfect for sketching, layout work and shading large areas. The hexagon shaped crayons measure 12cm long
Lyra Graphite Crayons - 2B Graphite Stick Crayons for Artists and Students of All Ages - Set of 12 Durable Graphite Sticks for Sketching Drawing Shading and More : Amazon.co.uk: Home & Kitchen