HANDT USA The garage storage shelf is perfect for the garage, workshop or any other space that needs organization. Customizable mounting and connection design allows for many types of mounting styles. With the ability to be mounted on 16" studs or 24" studs, the top storage rack is capable of organizing and storing many types of storage bins. The most common storage bins used are black and yellow storage bins, but with the 2" opening, many other types of storage bins can also work. The garage storage shelf can hold up to 5 90 litre bins in a single row for storage. They connect via a double bolt connection that allows maximum stability and storage capacity. The included safety bolts are also provided to ensure the bins don't slip when not supposed to. The bolt ensures the bins stay in place until they are removed from storage. The HANDT Garage Storage Shelf is a perfect addition to storing many types of storage bins and keeping them organized outside.