Physically prevent access to a USB Type A PortQuick and simple to usePack of 10 Type A BlockersSingle key & 4 blockers or individual keys are also available2 Year WarrantyUSB Port Blockers are useful little devices that system administrators can use to physically prevent access to USB ports. USB Port Blockers allow locks to be inserted and removed from USB ports to stop unauthorised users from inserting pen drives, USB mass storage and mobile devices into shared workstations or devices with USB ports in public spaces.To use, simply attach a lock to the key and insert it into the USB port. Release the sliding mechanism on the key to leave the lock in place. To remove, simply insert the key back into the lock and pull away.Please note: these port blockers are only compatible with the corresponding colour of port blocker keyThis product is also available in other colours and configurations:Pink -4046010 PackGreen -4046110 PackBlue - 4046210 PackWhite -4046410 PackGreen -40451  4 Pack + KeyPink  -40450  4 Pack + KeyBlue -40462  4 Pack + KeyOrange - 40453  4 Pack + KeyOrange - 40623 Single
Alternate Codes : LINDY40463, 4R70219, LINDC718