Plastic automatic stop bracket for shutter

Plastic automatic stop bracket for shutter.

Suitable for shutters from 40 to 55 mm, adjustable per 5 mm, has a shock avoidance of "hits" of the shutter due to the air, a large rosette to withstand shock and very windy and dowels . 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.