Wrench required for screwing the self-locking piston.
NBCHPF000M14, NBCHPF000M16, NBCHPF000M20, NBCHPF000M24, NBCHPFM27M30, NBCHPF000M33, NBCHPFM424852, NBCHPF000M16, NBCHPF000M20, NBCHPF000M24, NBCHPFM27M30, NBCHPF000M33, NBCHPF000M16, NBCHPF000M20, NBCHPF000M24, NBCHPFM27M30, NBCHPF000M33