【Paremeters of the Toy Box Hinges】: The Package includes 2x gas piston hinge for cabinet door stays and screws, and each gas spring strut cupboard door hinges is 100N, about 10kg/22lb, can load bearing each one is 8-10kg, recommend use for heavy lid between 8 to 10kg 【Premium Gas-Cupboard-Door-Hinges】: The 100N Gas struts hinge for heavy lid is made of high quality metal and nylon materials, sturdy and lasting. And the gas hinges filled with inert gas nitrogen with good sealing and shock absorber 【Well-Load-weight and Shockproof Gas Struts 100n】: This soft close gas hinges with strong bearing and flexible switch, that provide heavy lid support up to 8-10kg and safety soft close to avoid hurting hands. Besides, these hydraulic hinges for cupboard doors are built in gas for flexibly lift and off and shockproof when open an close cupboard doors 【Multi-purpose Gas Piston Hinge】: The gas strut hinges with soft close and open function, protects furniture while not pinching hands, are perfectly suitable for kitchen cupboard doors, wardrobe, cabinet, toy box, folding tables, heavy lid and other funitures to support stay 【Easy Install Design】The gas stay hinge has an easy-to-open circle device design, you can install it with matched screws as picture shows, please study the menu of installation before you use it, Manufacturer: Yuechenggui