Hb Graphite Pencils Sunset Series Made of Black Lime Wood with Coloured Eraser (Yellow, Lilac, Pink and Green). Round Section, Lead Measures 2.2 Mm ?. HB Lead is Medium Hard, Suitable for Writing and Drawing. The Lead Creates a Uniform Stroke and is Resistant to Breakage Due to Its Lps (Lead Protection System) Which Strengthens the Lead By Sticking It to the Wood. The Wood is Sourced From Sustainable Forests.