The ornamental design for a spindle for a toiletroll holder, as shown and described.
FIG. 1 is a perspective view of a spindle for a toilet roll holder showing
my new design;
FIG. 2 is a front elevational view thereof, the rear being identical in
appearance, and the top and bottom being identical in appearance except
for the lack of a seam across the article;
FIG. 3 is an enlarged end elevational view thereof; and,
FIG. 4 is an enlarged opposite end elevational view thereof.