SECURITY Parafuso de segurança cabeça cilíndrica Aço inoxidável (Inox) A251667
SECURITY Parafuso "one-way" Aço inoxidável (Inox) A251668
SECURITY Parafuso "one-way" Aço Zincado26910
SECURITY Parafuso cabeça de lentilha one-way Aço inoxidável (Inox) A251671
SECURITY One-way countersunk head woodscrew Aço Zincado25760
The special ridged design of this drive means that it can only operate in a clockwise motion. Installed using standard slotted screwdriver - no specialist tools required.