Tool pulls dented sheet metal back into place. To use, drill a hole in the deepest part of the dent, insert the hook or self-threading screw tip and tap lightly with the 2-1/2-lb slide hammer to remove the dent. A 13-long shaft enables high pulling force. Slide hammer has _-13 UNC thread. Replacement part: 2290-70 Hook and Screw Package. Replacement part: 2290-76 Nose Nut.