Table saw sled
Workshop rollouts. But wait! Why not do these full height and make a pantry this way, too??? Perhaps with blackboard or whiteboard painted ends so they can have inventory listed. Different widths/depths for different stuff. So many possibilities. Now I'm imagining a whole kitchen's lower and floor-to-ceiling cupboards re-thought in a similar fashion. Or a bedroom or linen closet's folding-item shelves. Or...