Yamaha YHR-314II Student F French Horn Mouthpipe taper designed for better response and intonation Wrap allows easy hand position Tough nickel silver inner and outer slides Tapered valves Rich, warm tone Lightweight ABS case It's lightweight and less complicated than double horns, ideal for new horn students Key of F single Taper of the mouthpipe improves response and intonation while the wrap allows a more comfortable hand position and smoother air flow Nickel silver inner and outer slides ensure better fit and less chance of corrosion than brass