The Delta 36-T52T4 Rail 1-Piece 52" helps support and guide compatible table saw components for accurate and controlled cutting. This replacement rail mounts to the saw and provides a stable track for the fence system, helping maintain proper positioning along the cutting surface. A properly fitted rail supports smooth fence movement, consistent alignment, and dependable saw operation... https://www.wholetoolbox.com/delta-36-t52t4-52-rail-1-piece/36-T52T4.html