Bach S651 1-1/2C Throat 25 Trumpet
Bach S651 1-1/2C Throat 25 Trumpet, Mouthpiece for trumpet, Symphonic series, Cup: 1 1/4C, Backbore: #24 (large, dark, symphonic), Bore: #25 (3.81 mm), The cup design is based on the 351 series, Bore and backbore are extended, Completely manufactured on CNC machines, Silver-plated