STURDY AND DURABLE -- Made of quality steel with Acsergery Strong Smooth surface& Precise Action. Max. load approximately 60KG/ 132lb Size:. Hole for screws: approximately 5mm. Note: Folding Shelf Brackets DO NOT COME with Acsergery SCREWS AND HARDWARE, you can purchase suitable screws according to your special needs. . WIDELY APPLICATION -- These folding brackets are ideal for many do-it-yourself jobs around the house. You can use steel Folding arms to built a collapsible bench on your backyard fence for additional seating Use to make a collapsible table for your room Build a table that folds up from the wall,and so on. . SPACE SAVING -- The hinges lock at 90 degrees. When you want to collapse the table simply press the release arm. Excellent performance suitable for limited spaces when you want a work surface that can be folded down and out of the way. Helps keep your room organized. . MULTI - PURPOSE -- Suitable for shop, stores, workshops, boats, motorhome, backyard, trailer,room, kitchen, blacony, bathroom and household as a support bracket. . BETTER LIVING ENVIRONMENT -- It can make your home more clean and tidy after you place a piece of wood board on this Brackets. Meanwhile, it can bring artistic feeling to your house. .