This is a type medium duty 3 4 5 Inch top plate pp core gray pp fixed caster wheels that wildely used in platform trolleys, medium industrial equipments and other objects.
Supports customisation for a more pleasing appearance.
Polypropylene caster wheels are lightweight, non-marking wheels impervious to water with good chemical resistance
Long wearing and low in cost
Safe with acid, oil and water
Custom service is available,factory direct sale!