Premium Material: The gas spring is made of premium steel and damping rubber with high strength and smooth surfaces, which is durable and practical, stable and safe for long-term use. Easy to Use: First install the thick part of the gas spring body on the cabinet door to be supported. Then hold the cabinet door open at a 90-degree angle so that the air bar can stretch freely. Finally, the screw support section of the pneumatic rod is fixed to the cabinet door frame. Elastic Support: The pressure support of each spring can reach 100N (10kg). The cabinet support surface is larger, and the three-point position makes the mounting firmer. Widely Uses: Hydraulic support, automatic extension. The gas spring is suitable for kitchen, bedroom, living room, office and more. The door opens slowly with comfortable damping. Package includes: 2 pieces. Hydraulic dampers with flat bottom and fixing screws. Uses hydraulic system for easy operation, full damping and good sealing without oil leakage.