The difference between purple heart wood and sapwood is obvious. The new section of the heartwood is light brown, gradually turning dark purple to purple-brown. The sapwood is nearly white. The growth ring is slightly obvious. The wood is shiny, has no special smell, and the texture is usually straight. The wood has high strength, durability, fine structure, stable dimensions and attractive color. It is a valuable decorative material. Product content: Wood: Purple Heart Wood (natural purple undyed) Pen type: Gel pen Metal: stainless steel Size: length approximately 14cm, width 1-1.2cm Refill: Use "Morning" gel refill Packing: with flannel pen bag and iron box Features: natural purple wood, special hexagonal shape, cheap refills, easy to write.