The Staedtler Lumograph Mars 100 G12 graphite pencil set brings together 12 technical grades (4H to 6B) in a metal case, indispensable for artists, architects, and technical draftsmen. Made from sustainable cedar wood with ultra-break-resistant leads glued along the entire length of the pencil, they offer smooth glide and perfectly graded shades of gray and black. It is the ultimate professional set for sketching, shading, technical drawing, and high-precision illustrations.