Product material: The random stop support hinge is made of durable zinc alloy, which can better prevent the oxidation of the hinge surface, and has better corrosion resistance, so that the product can be kept as new and the service life of the hinge can be extended. Package includes: 2 Cabinet Lid Support Hinge Set Combinations, Each Combination Has One Package, Each Package Has 1 Door Support Hinge Body Structure, 4 Self Tapping Screws, 4 Plastic Washers, 4 Large Bolts, 1 Inner Allen key, one right-angled ear and one parallel ear. Before installation, assemble the hinges. Product performance: It can be adjusted from multiple angles, and the door can be adjusted to three angles of 75, 90, and 110 at most. The tightness of the closure can be adjusted. , just turn the bolt in the middle of the arm with the provided Allen key; Installation process: support side installation and top installation. According to the requirements of the door panel, first mark two drilling points, and then use self-tapping screws to tighten the right-angle lugs and parallel lugs according to the instructions to fix the hinge. Detailed installation instructions are attached to the back of the bag. Supports up to 40 lbs when using 2 deck posts, lids, or door panels Widely used and served Adjustable lid brackets are suitable for wooden storage boxes, cabinet lids, kitchen cabinet doors, storage wooden boxes, open cabinet lids or flaps, workbench tables, bookcases, load-bearing racks by windows, etc. Hope you will like the products we provide, if you have any questions, please contact us in time, we will serve you as soon as possible