The ornamental design for a wirestripper, as shown and described.
FIG. 1 is a perspective right side view of a wire stripper having the inventive design;
FIG. 2 is a right side view of the wire stripper shown in FIG. 1;
FIG. 3 is a left side view of the wire stripper shown in FIG. 1;
FIG. 4 is a top view of the wire stripper shown in FIG. 1;
FIG. 5 is a bottom view of the wire stripper shown in FIG. 1;
FIG. 6 is front view of the wire stripper shown in FIG. 1;
FIG. 7 is a rear view of the wire stripper shown in FIG. 1;
FIG. 8 is a right side view of the wire stripper shown in FIG. 2 with the plunger (shown on far left) compressed into the housing and the stop moved into a position to block a hole in the housing; and,
FIG. 9 is a right side view of the wire stripper shown in FIG. 8 where the stop has been moved into a position such that the hole in the housing is not block.