Fits all reciprocating saws. Cuts wood, pipe sheet metal, plastic, nails and other hard materials. Double-edge blade allows multi-directional cuts without flipping the saw over. Rounded tip with teeth allows plunge cuts. Highlights:Length : 6 in Teeth Per In : 10/14 Universal Blades fit all reciprocating saws. Rounded tip with teeth allows plunge cuts eliminating the need for pilot holes.