DURABLE FOR EXTENDED USE: Made of premium quality cold rolled steel with maximum corrosion resistance and durability, the gas spring lid stay hinges are made to provide constant support for years to come APPLICABLE DIMENSIONS: To ensure a reliable support, the maximum LID LENGTH is 130 cm / 50 in, and the maximum LID WIDTH is 65 cm / 25 in. Please make sure the INTERIOR DEPTH is at least 23 cm / 19 in to accommodate the folding gas strut. HIGH LOAD CAPACITY: Each pneumatic hydraulic lid stay hinge can be used for right or left hand mounting. The durable materials together with the strong mechanism enable the gas springs to hold door weight up to 10 kg when 2 pcs are used WIDE APPLICATIONS: Heavy duty gas spring lid support hinges can make the door lifted top up and stays in place until you pull it down. They also allow for a controlled closing without smashing your fingers. Perfect for a variety of lids, flaps, tatamis and more Specifications: Material: Cold rolled steel Surface treatment: Spray paint Pressure: 100 N (per strut) Maximum load capacity: 10 kg (2 pcs) Maximum lid length: 130cm / 50 in Maximum lid width: 65 cm / 25 in Minimum interior depth: 23 cm / 9 in