French horn mouthpiece, McWilliam 4W. There are no major scratches, and the condition is good, but please purchase only if you understand that this is a used item. * Disinfected and cleaned. * Returns are not accepted. ■ Product Details Model Number: McWilliam 4W Shank: American Shank Inner Rim Diameter: 18.2mm Bore Diameter: 4.4mm Cup Depth: Slightly shallow Other: No box