Features: Our hinges are suitable for cabinets, shoes cabinets, wall cabinets, lockers, wardrobes, bookcases, vertical doors, tatami mats, etc. If you have kids, it also can be used in a toy box to protect your children from being pinched. Our lid stay allows you to keep it installed for 75, 90, and 110 opening. The hinge is used for side-mounting and top-mounting. Mark two points for drilling holes,and screw each mounting bracket into its respective place. Come with installing screws and Allen wrench. Made of high-quality zinc alloy, the lid stays are wear-resistant and durable. Adopts a curved arm design,it has greater strength and better resistance to achieves a perfect soft closing effect. Designed with an adjustable device, you can adjust closing speed and bearing capacity of the lid support by turning the screw in the middle of the arm to adapt to different weight of lids. Keep lid in place to prevent closing violently, even without hand support. The maximum support capacity is upto 40lbs when 2 pcs support hinges are used and the bearing capacity is adjusted to the maximum value. Please adjust two hinges to maintain the same tensionIn then the soft closing function will be achieved perfectly. Package Includes: 1 Lid Hinge 1 Set of Accessories Specifications: Material:Zinc Alloy Open Length: 210mm/ 8.3 in Color: Silver note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.