Trac-Lock SlideThis Trac-Lock™ seat mount is a high-strength aluminum slide and swivel that can rotate 360 degrees. This mount has a large 7-1\/4 x 13-in. seat mounting platform and travels 5-1\/4 inches forward and backward on self-lubricating pads. Features:Adds 1-1\/4 in. to the height of the pedestalCentrally located locking handle, easy to reach with left or right handSpecifications:Warranty: 5 YearsWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.