Most FSB products are 'implements' for the opening and closing of doors and windows.

Sooner or later, depending on what they are made of and where they are fitted, they will inevitably begin to show signs of wear. The properties of this material can be summarized as follows:

Aluminium has performed admirably in everyday use for many decades. The metal is protected by a tough anodised coating.

Surface scratch marks in no way impair the operating efficiency of the furniture but simply denote the passing of time.

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