Manfrotto R055,507 ASM Half Shell
Manfrotto R055,508 ASM Half Shell
Manfrotto R055,509 Ring
Manfrotto R055,512B Center Column
Genuine Manfrotto R055,512B USED Center Column for the 055XPROB. Made by Manfrotto Italy. Another Manfrotto part can used as a replacement for this discontinued part.