Mobile Kit, Polyolefin, (2) Rigid Casters, Swivel Caster, Swivel Caster with Brake, Caster Wheel/Tread Material Steel, Caster Mounting Height 5 1/2 in, Caster Wheel Diameter 4 in, Overall Height 5 1/2 in, Compatible Manufacturer Model Number Mfr. No. 30016, Frame Color Gray, Frame Material Steel, Includes (4) Casters, (4) Cross Braces, Handle. This item has been restricted from sale in the following state (s): []