Justrite Steel Half-Depth Shelf for Double 55 Gallon Vertical Drum Safety Cabinets, SpillSlope®, 55.Meets ANSI MH28.375 x 14 inch, Steel, 29947.375 x 14 inch, Steel, 29947 Galvanized steel shelves hold up to 350 lb (159 kg) and adjust on 3" (76-mm) increments for versatile storage.