Extend-A-Post 1-5/8" OD Pipe Extension 1' Long - Use With 1-5/8" Top Rail - 9 Pa
Only works with a 1-5/8" top rail and it will not work with a 1-3/8" top rail. Adds 1ft to existing fence. These extensions are installed on existing fence, eliminating the need to remove and reinstall the top rail.