Olymstore(TM) Nickel Plated Trumpet Mouthpiece, 5C Silver Material: Nickel,Nickel-plated design on the surface, very fashionable and beautiful,Mouthpiece size good for high register and also C trumpet,For Yamaha or Bach, Conn and King Trumpet Computer-aided design system and computer controlled lathe work together to produce the most precise mouthpieces,Best choice for you, or your friends Length: 3.35" / 8.5cm . End Outer Diameter: 0.98" / 2.5cm,Connector Outer Diameter: 0.31" / 0.8cm Package Dimensions: (3.54 x 1.18 x 1.18)" / (9 x 3 x 3)cm(L x W x H) Package Includes: 1 x Trumpet Mouthpiece