Walnut - mostly straight-grained wood - can range from a beige and lighter pale brown to even dark chocolate color. It has a medium texture and a moderate natural luster. Walnut wood can be used in a numerous of industries and it is often used for carvings and turnings. Made of solid Walnut wood and a high quality 1.4301 (V2A) stainless steel tube mounted inside the mouthpiece. This metal part is highly durable, reduces the likelihood of corrosion and does not absorb smells.