A mounting system is described that may be used to removably and adjustably engage or affix shelves, bins, drawers, drawer-slides, etc. to shelving systems, cabinets, closets, walls, etc. The mounting system includes supports, which define engaging openings. The shelves, bins, drawers, drawer-slides, etc. are fitted with studs that secure to the engaging openings to hold the shelves, bins, drawers, drawer-slides, etc. in place with respect to the supports.