Gradual explanation:

FILCOTEN tec and pro - anti-vandalism locking device![]() Gradual explanation:![]() Step 1
![]() ![]() Step 2
![]() ![]() Step 3Insert the grating into the channel. ![]() ![]() Step 4Press the grating down until it catches the notches. ![]() ![]() Step 5Tighten the screw to secure and lock the anti-vandalism locking device. ![]() ![]() |