Product Specifications: Load capacity: 4 kg (8.82 lb)/1 piece. Recommended lid weight: 4 to 12 kg (9-26 lb) to achieve the desired lifting and cushioning effect. [APPLICABLE SIZE]: The hinges cannot be used if the lid is longer than 130 cm and wider than 65 cm. The internal depth must be at least 23 cm. If the lid does not meet the specified size and weight requirements, the hinge will not function. [Strong Load Capacity]: The load capacity of the gas spring lid support hinge is 150 N, capable of supporting lids weighing up to 15 kg when two are used. [Durable LED Wire Roller Steel Material]: The gas spring hinge is made of high-quality cold-rolled steel, which effectively prevents the hinge surface from corrosion or cracking due to oxidation. The robust support material ensures stable support over a long period. [Wide Application]: The gas spring lid hinge is well-suited for furniture, kitchen cabinets, wardrobes, wooden crates, or toy boxes. It can hold the door open at any angle,