Pozidriv®

OBS: Type de tête de vis à empreinte cruciforme plus utilisé que la Philipps.
OBS: Pozidriv® : Marque de commerce de la société American Screw.

OBS: Looking through British cars parts books I found that many of the screws holding relays to the firewall were not Phillips, but Posidriv.
OBS: Posidriv®: A trademark of American Screw Company.