... one barrel imported parts Specification Name: composite wood 17 keys Clarinet Model: HCL-304Material: composite woodKey: 17K , cupronickel, silver ... , Imported parts, semi-auto, 18 keysHCL-303 Bb, Composite wood, nickel plated, Imported parts,17key, cupronickel KeysHCL-304 ... Bb, Composite wood, Silver plated, Imported parts, 17 keys, cupronickel ...