Wheel Type > Steel (cast Iron)
Heavy Duty Rigid Caster 10x3 Steel Wheel Top Plate 4-1/2x6-1/4 2500# One
Durable Heavy Duty Swivel Caster With 12 X 2-1/2 Cast Iron Wheel
Set Of 4 Albion 16 Heavy Duty Swivel Casters W 6 Diameter Cast Iron Wheel
Durable Heavy Duty Swivel Caster With 12 X 2-1/2 Cast Iron Wheel
Heavy Duty Swivel Caster 12x2-1/2 Steel Wheel 6-1/4x4-1/2 Plate 2