The hinges are made of cold-rolled steel, strong corrosion resistance and durable to use, with high-strength hydraulic damper (soft closing) A powerful external spring will help increase the load capacity and service life of the hinge, making the cabinet door stable and unshakeable Fixed base with hook: no need to drill the cup, just put it down and install it immediately with screws Load capacity: 2 hinges can support a door weight of 15kg to 20kg (for example, when the flap door is opened upwards, the gas piston is no longer needed to support) Suitable for doors of kitchen cabinets, bathrooms, wardrobes, closets, yachts, motorhomes, caravans, campers, wall cabinets, etc.