Shelf components

FIG. 1 is a perspective view of shelf components showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a front elevation view thereof;

FIG. 7 is a rear elevation view thereof; and,

FIG. 8 is a perspective view of the shelf components, shown in an extended position.

The broken lines depict portions of the article that form no part of the claimed design.