DURABLE FOR LONG USE: Made of premium cold rolled steel with maximum corrosion resistance and durability, the lid support hinge gas springs are designed to provide consistent support for many years MAKE YOUR HANDS FREE: The gas strut hydraulic rods allow you to use both hands inside the cabinets without balancing the cabinet door on your head, because once you open the doors with these gas struts, they stay open until you physically close them HIGH LOAD CAPACITY: Each pneumatic hydraulic lid stay hinge can be used for right or left hand mounting. Durable materials combined with the sturdy mechanism allow the gas springs to support a door weight of up to 10 kg when 2 pieces are used WIDE APPLICATIONS: The heavy duty gas spring support hinges can allow the door to rise and stay in place until you pull it. They also allow for controlled closing without breaking your fingers. Perfect for a variety of lids, flaps, tatami mats and more