Mobile Shelving Unit Caster Type (4) Swivel Casters w/Brake Overall Height 75 in Overall Width 48 in Overall Depth 24 in Finish Smooth Includes Vented Shelves Maximum Temperature 190 Degrees F Minimum Temperature -36 Degrees F Product Type Shelving Unit Color Speckled Gray Load Capacity 750 lb Mobile/Stationary Mobile Number of Shelves 4 NSF Certified Yes Shelf Adjustment Increment 4 in Frame Material Plastic/Steel Shelf Depth 24 in Shelf Material Plastic/Steel