The FLEXIMOUNTS 3ft-by-8ft Overhead Garage Storage Rack is an ideal choice to maximize your storage space. This durable and heavy duty overhead storage system has a capacity of up to 550 lbs. 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. Fleximounts overhead garage storage racks come with five different sizes to help you to get the best fit for your garage: 4'x8'; 3'x8'; 4'x6'; 4'x4'; 3'x6'.