They are popular among artists and illustrators.Because there's no wood casing, the barrel of a woodless graphite pencil is thicker and easier to hold for long periods of time. This can be especially helpful for artists who tend to grip their pencils tightly.Because the core is solid graphite, you can lay down a lot more color with a woodless pencil than you can with a traditional pencil. This can be helpful for creating bold, dark effects.Hardness options include HB, 2B, 3B, 4B, 5B, etc.The quantity of over 10,000 pieces is based on sea freight