The Drive Medical Adjustable Clamp On Tub Rail is made of a durable, white powder-coated steel construction which is easy to clean and a rubber top for added security and stability. The clamp can be adjusted from 3" to 7" and the height of the bar can be adjusted from 14.5" to 17" to accommodate the user's needs. The Adjustable Clamp-On Tub Rail features a stainless steel locking mechanism and non-wearing rubber pads to prevent scratches on the surface the tub.