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
Faber Castell PITT Hexagonal Graphite Crayon
KwikCaps Furniture Soft Wax Touch Up Crayon Grey Graphite (044)
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