SECURITY wkręty z łbem walcowo-wypukłym jednokierunkowe Stal nierdzewna A251667
SECURITY Wkręt z łbem one-way Stal nierdzewna A251668
SECURITY Wkręt z łbem one-way Stal Ocynkowane26910
SECURITY One-way countersunk head woodscrew Stal Ocynkowane25760
SECURITY Wkręt z łbem soczewkowym one-way Stal nierdzewna A251671
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.