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:

AluGrey is new to the FSB programme and boasts a greater surface hardness and resistance to wear than standard aluminium.

On account of the above-mentioned properties, noticeable signs of use are slow to materialise under normal circumstances but, even so, cannot be ruled out completely in the long term, though the functioning of the hardware remains unaffected whatever the case.

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