Excellent pressure bearing capacity: Our gas support rods have good pressure and bearing capacity. The spring pressure support of each gas support rod can reach 100N (10KG). In addition, the piston cylinder of the product is filled with inert nitrogen gas, which can provide ultra-high stability and safety and firmly support your cabinet door for you. Automatic lock: The product automatically locks after opening doors and windows. This ensures the stability and stability of the product. Once you open the doors, windows and cabinets, unless you close them, the product will support stably doors and windows to avoid the risk of hitting your head. Safe and slow closing system:: This hinge product can help you slowly open or close the top flap door of kitchen, toy box or top flap window to avoid loss and injury caused by violent impact. It can perfectly ensure the safety of you and your families. Comes with screws and metal base. metal: In order to allow you a faster and better installation, our pack is specially equipped for you with 20 screws and 8 metal bases. The installation operation is very simple, you just need to first connect the metal base to the hydraulic cylinder, then screw the screw into the hole of the metal base, and finally fix the screw into the hole you drilled on the wall or cabinet. Excellent practicality: Our products are suitable for most types of PVC, aluminum or wooden materials and all types of materials. upturned cabinets, wooden crates and aluminum skylights. The product allows you to slowly open doors and windows, and can easily lift and repair these doors and windows for you, so that you can avoid the problem of hitting your head.