Polyurethane tread, 90+ shore(A) durometer, chemically bonded to heavy cast iron core, non-marking floor protection, resistance to oil, grease, water and most solvents, available in a variety of colors.
Swivel: Two rows of ball bearings in hardened raceways.
Fork: 1/4" formed steel plate, double welded.
King Pin: 3/4" heat treated bolt and nut.
Lubrication: Zerk in swivel raceway, wheel hub or lube axle.
Axle: 1/2" Diameter bolt and nut.
Finish: Zinc Plated.