Details: LYRA Rembrandt artist supplies are superior products for serious artists. These durable pencils are available in a wide range of hardness grades and feature a high breaking strength. They are perfect for the constant demands of graphics, design, and art. With twelve degrees of selected grades of hardness, LYRA Rembrandt Art Design Pencils ensure exact results for the most stringent requirements in fine art, graphic design, art and architecture. They are available individually, in boxes by degree, or in assorted metal tin sets and are AP certified non-toxic. Draw, sketch design and empower your creativity with artist products from LYRA.