Features .525 medium-large bore 8 inch one-piece hand-hammered yellow brass bell Chrome plated nickel-silver inner handslide tubes, brass outer handslide tubes Clear lacquer finish Genuine Vincent Bach 7C small shank mouthpiece and zippered Cordura wood shell case Description Product Description The 36B features a.525-inch bore with a slightly smaller than symphonic size that allows the player to bring more color and flexibility to the sound. The 36B also features a standard wrap F attachment with an excellent response plus an 8-inch one-piece hand hammered bell designed for superior tone.