Neutron ram

From Tardis Wiki, the free Doctor Who reference

The Doctor kept a neutron ram in his TARDIS by the end of his seventh incarnation. The Eighth Doctor asked Grace Holloway for the neutron ram. (TV: Doctor Who)

Behind the scenes[[edit] | [edit source]]

The Neutron ram in the central section, seen right above the screwdriver

Although the neutron ram is not identified on screen, it was identified by REF: The Doctor Who Technical Manual.