To a joggling tool with which joggling work to an edge part of a metallic sheet such as the peripheral edge of a dropping hole of a valley gutter is easily performed by simple operation without being restricted by a workplace, the operation convenience of which is fine, which is inexpensive as a tool and widely deals with the size of the object of working.

A pair of pestle bodies 1, 2 are pivotally attached in a crossing part, one side is made into a pinching part 10 for joggling and the other side is made into a handle part 11 for performing opening and closing operations of the pinching part 10 for joggling by taking the pivotally attaching part 3 as a boundary, a projecting step part 41 is provided on the side of the inner surface of the tip part of one jaw piece 4 of the pinching part 10 for joggling and a recessed step part 51 which is engaged with the projecting step part 41 is provided on the side of the inner surface of the tip part of the other jaw piece 5. By pinching the edge part of the metallic sheet between both jaw pieces 4, 5 of the pinching part 10 for joggling, the joggling is performed by bending the edge part by the engaging part of the projecting step part 41 with the recessed step part 51.