FIG. 1 is a perspective view of the bottom, front and right of a slider for slide fastener showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom view of the buckle; and,
FIG. 6 is a right side view of the buckle, the left side view being mirror image thereof.
The ornamental design for a slider for slide fastener, as shown and described.