... Bb,17K,Rubberbody,Nickel plated,Dual Barrel, common parts, brassHCL-103 Bb,17K,Rubberbody,Nickelplated,one barrel, common parts, cupronickel keyHCL ... Bb, Composite wood, nickel plated, Imported parts,17key, cupronickel KeysHCL-304 Bb, Composite wood, Silver plated, Imported parts, 17 keys, cupronickel ... parts, , cupronickel Keys,18K composite wood 17 keys Clarinet HCL-304