Premium MaterialThe lift hinge is made of exceptional steel and cushioning rubber material with high strength and smooth surfaces, durable and practical, stable and safe for long time use. Easy to useFirst, install the thick part of the gas spring body on the cabinet door to be supported. Next, keep the cabinet door open at 90 degrees to allow the air bar to stretch freely. Finally, the screw support part of the pneumatic rod is fixed to the cabinet door frame. Elastic supportThe pressure support of each spring can reach 100N (10kg). The contact area of the cabinet is larger, and the three-point position makes the installation more firm. Wide ApplicationsHydraulic support, automatic extension. The gas spring lift is suitable for kitchen, bedroom, living room, office, etc. The door can be opened with comfortable damping open slowly. What you will getYou will receive 4 door dampers, including flat bases and fixing screws. Adopts hydraulic system for easy operation, full stage shock absorber and good sealing without oil leakage.