Creeper Caster Replacement Wheel, Hub Material Polyolefin, Core Color Black, Wheel Diameter 2 in, Wheel/Tread Color Black, Wheel/Tread Material Polyolefin, Number of Wheels 4, Mounting Hardware Included No, Replacement Wheel 4WM24, Includes Mounting Bracket, Package Quantity 4. This item has been restricted from sale in the following state (s): []