Rack Base Caster Material - Caster Type - Material Plastic For Use With - Maximum Handling Temperature 200 Degrees F Includes - Inside Length 18 in Inside Rack Height 3 1/4 in Inside Rack Length 18 in Inside Rack Width 18 in Inside Width 18 in Product Type Rack Base Color Gray Outside Rack Height 4 in Overall Depth 19 3/4 in Overall Height 4 in Overall Length 19 3/4 in Overall Width 19 3/4 in NSF Certified Yes Package Quantity 6