Plastic automatic stop support for four-leaf shutter

Plastic automatic stop support for four-leaf shutter.

It is suitable for a four-leaf shutters i.e. shutters of whichever leaves snapping one on each other, adjustable per 5 mm, has a shock avoidance of "strokes" of the blind due to the air, large rosette to withstand shock at very windy and dowels.It is suitable for all materials (concrete, plasterboard, bricks. etc), it is installed easily, it has high strength,it is automatic and we handle it with one hand.