Cushion rubber tread vulcanized to strong cast iron hub with zerk lubrication, excellent floor and load protection, easy rolling, and shock absorbing quiet operation, 70-80 shore (A) durometer.
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