Features: Crafted from premium metal alloy, these heart shaped shelf brackets offer excellent durability and rust resistance, perfect for long lasting cabinet hinges. Featuring a unique with pre drilled holes, these metal alloy brackets enable quick installation using included screws for seamless shelf support in various furniture configurations. Ideal for handsewn enthusiasts, homeowners, and professional joiners seeking loyal cabinet brackets or bookshelf supports for home organization projects. Perfectly secures shelves in kitchens, living rooms, closets, offices, and garage storage systems requiring sturdy metal brackets. Each set includes 10 wear resistant metal alloy brackets with 4mm diameter compatibility, ensuring snug fits for shelves up to 15kg when installed in pre marked positions. Specifications: Sturdy rack support column: built of metal, polished nickel with smooth and beautiful face, which is not prone to rust and oxidation. The lightweight and compact, unobtrusive design allows the shelf hook to extend completely to the sides of the cabinet or shelf. Easy to use: Drill a hole in the rack. (Warm reminder: The size of the hole should be slightly smaller than or equal to the diameter of the shelf needle, ≤4 mm/0.2 inch.); Insert the shelf needle into the hole; make sure only the flat part is exposed; and correctly install the partition on the shelf needle. Package Includes: 10PCS rack support column note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.