The X91 hinge insert is fixed on the body of the furniture where the hinge will be fitted. It has eccentric regulation by screw for an optimal adjustment. For its installation, it has ramplús that must be embedded in 9.5 mm deep holes with a 5 mm drill bit. Fixing is done by screwing.

This supplement has an automatic clip coupling to the hinge, making assembly easy. The manufacturing material is resistant steel with a nickel-plated finish that guarantees a good aesthetic finish and great durability.