Large storage space: The two 180 x 90 x 40 cm (HxWxD) heavy-duty shelves are each equipped with 5 shelves made of sturdy MDF wood. If loaded evenly, each shelf can take up to 175KG.(max total load capacity :1750kg) Installation without bolts: With plug-in system, you can easily and quickly assemble these multifunctional shelves without tools. The instruction included. More flexible assembly: The storage shelves offer you various assembly options. You can adjust height freely to meet different needs. Short distance to place small accessories or removing one of shelves to place large items. Sturdy construction: The garage storage shelves are made of galvanized metal. Cross braces under each shelf provide additional stability. Plastic feet at the bottom and top protect your floor from unsightly scratches. Space saving: Suitable for basements, storage rooms, warehouses, garages, workshops or offices. Ideal for creating space and help to keep your home tidy and organized .