The Delta DPEC002908 Table Saw Riving Knife is a replacement safety component designed for compatible Delta table saw equipment. The riving knife plays an important role in the cutting system by helping keep the kerf open behind the saw blade, reducing the risk of wood pinching the blade and dangerous kickback during cutting operations. It helps support safer and smoother cutting perf... https://www.wholetoolbox.com/delta-dpec002908-table-saw-riving-knife/DPEC002908.html