Cantilever Wire Shelves are supported by two, 1"diameterposts, attached in the back only. This creates more space underneath without metal uprights blocking the corners of the shelf. Ideal for use with Baker's Racks and Workstations Provides dependable, space-saving overhead storage Ventilated construction maximizes airflow Truss border to prevent items from falling Adjusts in 1" increments along 1"diameter posts Supports up to 40 lbs of evenly distributed weight Intended for use indoors, dry storage only Use with 2Chrome Wire Shelving Poststo design custom storage To securely set or quickly remove shelves, tap their corners with arubber mallet. View ourWire Shelving Size Guidefor actual outer and inner dimensions to see if these shelves will fit with your existing system.