16"-28": Adjustable from 16"-28". Hold 2 KG (4 Pounds) : Strong Magnets easily hold 2 KG (4 Pounds). No falling,no bumping while closing the door. Suitable for Metal Doors,Iron and Steel Place. No suitable for aluminum place. Easy Installation: Installation Manual included in the package. Rubber Coated Magnets- No damage to your metal door. 16"-28": Adjustable from 16"-28". Hold 2 KG (4 Pounds) : Strong Magnets easily hold 2 KG (4 Pounds). No falling,no bumping while closing the door. Suitable for Metal Doors,Iron and Steel Place. No suitable for aluminum place. Easy Installation: Installation Manual included in the package. Rubber Coated Magnets- No damage to your metal door..