Hamilton® Duralast™ Wheel 4 x 2 - 1/2" Ball Bearing

This wheel is liquid cast to a thickness of approximately 1/2" and chemically bonded onto heavy-duty iron wheel centers. The distinctive green treads are chemically inert, non-sparking, non-conductive, impervious to ozone, grease and most oil and solvents, and will not mark floors.