Product Specifications: Weight load: 4 kg (8.82 lbs)/1 piece. Recommended lid weight: 4-12 kg (9-26 lbs) to achieve the desired lifting and cushioning effect. [APPLICABLE DIMENSIONS]: 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. [HIGH LOAD CAPACITY]: The load capacity of the gas spring lid support hinge is 200 N, supporting lids weighing up to 20 kg when used in sets of 2. [DURABLE STEEL MATERIAL WITH LED WIRE ROLLER]: The gas spring hinge is made of high-quality cold-rolled steel, which perfectly protects the hinge surface from corrosion or cracking caused by air oxidation. Robust support material ensures stable support over time [Widely Used]: The gas spring lid hinge is ideal for furniture, kitchen cabinets, display cases, wooden boxes, or toy boxes. It holds the door open at any angle, and the lid closes slowly to