As others have said you need to lubricate the hinges to ease the movement of the shelf. It's a solid tool set and I love that I can FIND my tools when I need them without having to dig and search. Fully loaded, mine weighs 40 pounds. I recommend buying an insert for tools. I rode the Casoman liner; 16 inches by 6 feet was big enough. I attach several photos of the dimensions of the shelves.
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