Photo 1 of Besitu 4 Inch Caster Wheels, 1/2"-13 Inch Course Threaded Stem Caster Set of 4, Heavy Duty TPR Swivel Caster Wheels for Dolly Cart, Wire Shelving Industrial Screw in Casters

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Photo 1 of Besitu 4 Inch Caster Wheels, 1/2"-13 Inch Course Threaded Stem Caster Set of 4, Heavy Duty TPR Swivel Caster Wheels for Dolly Cart, Wire Shelving Industrial Screw in CastersPhoto 2 of Besitu 4 Inch Caster Wheels, 1/2"-13 Inch Course Threaded Stem Caster Set of 4, Heavy Duty TPR Swivel Caster Wheels for Dolly Cart, Wire Shelving Industrial Screw in Casters