Upper Workbench Shelf, 3 Duplex Outlets, For Use With 48" Wide Workbenches, 100 lb Weight CapacityWorkbench shelves provide storage space as well as an adequate surface area for completing tasks. Materials like steel and laminate ensure that the heavy duty shelves can hold up to use in industrial environments. The shelves increase workbench storage capabilities and workspace size. They can be easily mounted and can upgrade any workbench. Note: This is a non returnable item.