Features: Made from zincs Alloy, anticorrosion and rustproof, quiet and smooth. Not easily deforme. Supports a 180° opening. Simply adjust the tension by rotating the screw in the middle of the support arm with a wrench, turning the screw clockwise to increase tension, or counterclockwise to reduce tension. When closed, the speed of the lid's closure can be adjusted using a wrench, enabling a slow close hinge buffer function to prevent the lid from shutting quickly and injuring fingers. Suitable for cabinet, wardrobe, toy box, wooden box hinges,toy box hinges soft close, bookshelves, filing cabinets, storage cabinets. Easy to Install: Simply mark the installation position before proceeding, then secure the support hinge in place to meet your desired angles. Specifications: Component: zincs Alloy Size: about 7x13cm/2.75x5.11inch Adjustable maximums angles: 180 Degree Load Bearing Capacity: About 5-8kg Package Includes: 1pc Hydraulic Support Rod note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.