Schellenberg 16000 Roller Shutter Sliding Lock Roller Shutter Lock Against Pushing Up Pack of 2 (1 Pair)

Makes it difficult to move the roller shutter up from the outside
Effective against burglary
Not visible from the outside
Can be retrofitted with all standard hand-operated shutters
Simply clamp into the guide rails from the inside
Steps to use:- 01.Close the roller shutter completely. 02.Position the fuse from the inside in the upper area of the roller shutter. Place the special bar between two roller shutter profiles. 03.Slide the fuse into the left guide rail as far as it will go. 04.If there is too much play, carefully shorten at the groove. 05.Proceed in the same way with the second slide lock on the right side of the roller shutter - done.