Get a bargain on the Delta 56302 Adjustable Slide Bar/Grab Bar Assembly, Chrome while it's still available here at PlumbersStock.com. You will love the versatility of your slide bar, as it can be also used as a safety grab bar. Delta is a leader in the industry for obvious reasons. They make great plumbing solutions.
As the manufacturer describes it, 60"- 82" stretchable metal hose. 24" decorative 1-1/4" wall grab bar [with] ADA slide mechanism.