Abstract: An assembly for storing and handling of glass panes consisting a glass rack support frame adapted for attachment to an above floor or ground level surface, such frame defining a rearwardly opening glass rack receiving space; a glass rack; wheels and roller tracks rollably mounting the glass rack upon the glass rack support frame, and allowing alternate forward and rearward motion of the glass rack into and out of the glass rack receiving space; a roll stop having a rack engagement surface and a cart engagement surface; and a hinge for movably mounting the roll stop upon the glass rack support frame, the hinge interconnecting the roll stop and glass rack support frame for motion between first and second positions, the rack engaging surface of the roll stop facing forwardly while the roll stop occupies its first position, the roll stop moving away from the first position toward the second position upon application of pressure to its cart engaging surface.