Willie's Custom Brass Mouthpiece * Cup Appearance: S blank (light type). The thickness of the lower rim is reduced compared to the normal blank, resulting in a brilliant tone. * Gold-plated finish * Cup Inner Diameter: 17.8mm * Throat Diameter: 4.45mm * Cup Shape: SC (U cup) * Rim Shape: S rim * Shank: STD (Suitable for 80% of horns, including Wenzel Meinl, Hans Hoyer, Wilson, Paxman, Holton, etc.) No dents, some scratches on the shank. Everything in the images is included.