FIG. 1 is a front view of a holder showing our new design, in the environment of a wall mountable rail system.

FIG. 2 is a side view of the holder of FIG. 1, in the environment of the wall mountable rail system, the other side being a mirror image thereof.

FIG. 3 is a front view of the holder of FIG. 1.

FIG. 4 is a rear view of the holder of FIG. 1.

FIG. 5 is a side view of the holder of FIG. 1, the other side being a mirror image thereof.

FIG. 6 is a top view of the holder of FIG. 1; and,

FIG. 7 is a bottom view of the holder of FIG. 1.

The broken lines are for environmental purposes only and form no part of the claimed design.