USB-A Port Blockers 4pcs+1 Key

Colour-coded keys: Green
Physically blocks access to USB-A ports
The blocker is inserted into the USB port, effectively blocking the connection of any USB devices
Once inserted, the port blocker is flush with the port and cannot be pulled out (note:port blockers can be destroyed and removed with force and pliers)
- Set of 10 additional blockers available (ref. no. 40461)