Adjustable two sided bed assist bar. The distance between the bars is 45 inches which I think is a twin. You might be able to use it as two separate bars on a different size bed as it breaks down as shown. It is height adjustable. If you are using it as two separate bed handles, please note that the part that goes under the bed is not as long as a traditional one sided bed assist bar. It worked well on the queen bed it was on as the mattress was thick and heavy .