The Dr. Slick Brass Hair Stacker Medium is an essential tool for aligning hair and fur fibers when tying flies. Made from high-quality brass, this stacker helps ensure that the fibers stack evenly for a clean and professional fly. The medium size is perfect for a wide range of fly patterns, including larger dry flies and streamers. Its durable construction and efficient design make it a must-have tool for any fly tier aiming for precision and consistency.