The Delta DPEC006136 Table Saw Riving Knife is a safety component designed for compatible Delta table saw models. Positioned behind the saw blade, the riving knife helps keep the cut pieces of wood separated as they pass through the blade. This helps reduce the risk of material pinching the blade and contributing to kickback during cutting operations. Replacing a damaged or missing ri... https://www.wholetoolbox.com/delta-dpec006136-table-saw-riving-knife/DPEC006136.html