• Staedtler Mars Lumograph Drawing Pencils 12 piece set is ideal for artists and graphic designers. • Includes 12 grades - 2H, H, F, HB, B, 2B, 3B, 4B, 5B,  6B, 7B and 8B that come in a handy storage tin. • Break-resistant thanks to super-bonded lead. • Easy to erase and easy to sharpen with any quality sharpener Staedtler Mars Lumograph Drawing Pencils are premium quality black lead pencils for writing, drawing and sketching on paper and matt drawing film. The wide range of grades make them an ideal tool for artists and graphic designers. The lines reproduce well and the pencils are both easy to erase and easy to sharpen with any quality sharpener. The pencils are break-resistant due to lead formulation and bonded lead. The lead diameter is 2 mm. Set includes 12 grades - 2H, H, F, HB, B, 2B, 3B, 4B, 5B, 6B, 7B and 8B Additional details: Packaging size: 185mm x 110mm x 15mm