Product Specifications: Maximum load: 4 kg (8.82 lb)/piece. Recommended lid weight: 4 to 12 kg (9 to 26 lb) to achieve the expected lifting and cushioning effect. [APPLICABLE SIZE]: Hinges cannot be used if the lid is longer than 130 cm and wider than 65 cm. The internal depth is at least 23 cm. If the lid does not meet the specified size and weight requirements, the hinge will not work. [Strong Load Capacity]: The load capacity of the gas spring lid support hinge is 150N, which allows it to support lids weighing up to 15kg when used in pairs. [Heavy Duty Cold Rolled Steel Material for LED]: The gas spring hinge is made of cold rolled steel. high-quality cold-rolled, which perfectly protects the hinge surface against corrosion and cracks due to atmospheric oxidation. The sturdy support material ensures stable support over time. [Wide Application]: The gas spring lid hinge is ideal for furniture, kitchen cabinets, wardrobes, wooden boxes or toy boxes. It holds the door open at any