When closed, the speed of the lid ' s closure can be adjusted using a wrench, enabling a slow close hinge buffer function to the lid from shutting quickly and injuring fingers Supports a 110° opening Simply adjust the tension by rotating the screw in the middle of the arm with a hexagonal wrench, turning the screw clockwise to increase tension, or counterclockwise to reduce tension Made from zincs Alloy and Iron, anticorrosion and rustproof, quiet and smooth Not easily deforme : Simply the installation position before proceeding, then secure the hinge in place to meet your desired angles Suitable for cabinet, wardrobe, toy box, wooden box hinges, toy box hinges soft close, bookshelves, filing cabinets, storage cabinets, Manufacturer: Ywmsfl