3 cast iron caster;Cast-iron wheels have exceptionally long wear life; can withstand temperature extremes;Recommand for infrequently moved objects on rough wood and concrete floors;General-duty swivel casters;Size: 3, Type: General Duty Swivel, Load Capacity: 250 lb, Wheel Material: Cast Iron

• Shepherd Hardware 9780 Swivel Cast-Iron Plate Caster

Shepherd Hardware 9780 Swivel Cast-Iron Plate CasterSHEPHERD HDWE. PROD., LLC.