The Staedtler Wopex Neon Graphite Pencils are comfortable to hold and offer a smooth drawing experience. The premium quality HB hexagonal graphite pencils are made from the environmentally friendly Wopex material. The 2.3 mm lead glides smoothly across the paper for a smooth drawing experience. The pencils are durable and break-resistant. The hexagonal barrel is easy to hold and gives you greater control.