4-Inch Heavy Duty Swivel Caster with Semi-Steel Cast Iron Wheel

Height Adjustable Casters Heavy Duty 3 Inch Heavy Duty Casters 6 Inch Heavy Duty Casters 2 Inch Heavy Duty Casters Large Size Heavy Duty Casters 4 Inch Pneumatic Swivel Casters Low Profile Heavy Duty Swivel Casters 4 Heavy Duty Swivel Casters 5 Heavy Duty Swivel Casters Pneumatic Swivel Caster Wheels Heavy Duty American Made Heavy Duty Casters Ball Bearing Casters Heavy Duty 4 Inch Steel Swivel Casters 4 Inch Swivel Casters 5 Inch Locking Swivel Casters 3 Inch Locking Swivel Casters 2 Inch Steel Swivel Casters 2 Inch Swivel Casters 6 Inch Swivel Caster 3 Inch Swivel Casters 8 Inch Swivel Casters Locking Swivel Casters 4 Inch Low Profile Swivel Casters Spring Loaded Swivel Casters