Getting sick and tired of having a garage full of clutter? The FLEXIMOUNTS 4ft-by-8ft Overhead Storage Rack is the ideal system for you to have a highly organized and clean garage. This durable and heavy duty overhead storage system has a capacity of up to 600 lbs loading. It is made of powder coated steel. The height can be adjusted from 22 to 40 inches providing a convenient and safe place to organize your stuff. This system is simple to set up and all the hardware and instructions needed are included in the package. Features: 1. Integrated grid design: More stable and sturdy compared to others with separate frame and wire.. 2. Easier DIY installation with step-by-step diagrams. Installation Template helps make plan;. 3. Top quality screw selected and All hardwares have gone through strict tests. Heavy duty cold-rolled steel construction provides safely loading up to 600lbs. The whole set is test with triple loading breaking strength. 4. 22'' to 40'' ceiling dropdown provides up to 105 cu. Ft. of storage. 5. Choose Overhead Racks with LONG ceiling brackets designed to be attached to 2 studs. Combined with SIX vertical posts, it is the optimal structure choice to ensure safety. Do not buy those with fragile structure for safety considerations.6. Other size options available to purchase from fleximounts: 3'x8', 4'x6', 3'x6'.7. Our racks can be installed into WOOD joists and CONCRETE ceilings (Does not fit for Metal joist) Specs: 1. Dimensions: 96 in. L x 48 in. W x 22-40 in. H; 2. Height adjustment (ceiling dropdown): From 22 to 40 inches 3. Load capacity: Up to 600 pounds 4. Material: Powder-coated cold-rolled steel 5. Color: Black Package Includes: 1 x Garage Rack Hardware kit Accessory hooks and items pictured on the racks are not included