K191 - Neck model K191 specifically made for King Sousaphones/Tubas. K191 - Neck model K191 specifically made for King Sousaphones/Tubas.
K102 - Neck model K102 specifically made for King Sousaphones/Tubas. K102 - Neck model K102 specifically made for King Sousaphones/Tubas.
A210S - Neck model A210S specifically made for Conn Sousaphones/Tubas. Silver Plated Neck. A210S - Neck model A210S specifically made for Conn...
S150 - Neck model S150 specifically made for Selmer Sousaphones/Tubas. S150 - Neck model S150 specifically made for Selmer Sousaphones/Tubas.
H242 - Neck model H242 specifically made for Holton Sousaphones/Tubas. H242 - Neck model H242 specifically made for Holton Sousaphones/Tubas.
J0130520 - Yamaha neck specifically made for Yamaha Sousaphones/Tubas. J0130520 - Yamaha neck specifically made for Yamaha Sousaphones/Tubas.