Muscle Rack UR361872WD5-BL is a heavy-duty steel storage rack designed for commercial and industrial use. It features a sturdy construction with 8 posts, 10 beams, and 10 braces, providing ample support for storing heavy items. The rack has 5 shelves, each measuring 18" x 36" and capable of holding up to 800 lbs. evenly distributed. The shelves are adjustable in height, allowing you to customize the storage space to accommodate items of various sizes. Assembly is straightforward, with beams and braces fitting into slots in the posts and secured with rivets.