4pc 4" Heavy Duty Swivel Chair Casters Ball Bearing Wheels Rubber Base Top Plate

4pc Heavy Duty 4" X 1" swivel casters.
Includes a full set of swivel casters! Resistant to abrasion, impact and corrosion.
Smooth-running with low rolling resistance.
Ball bearing swivel.
Keep things moving smoothly with these swivel wheels.
Great for use on wood floors and tile.
Measures 4 X 1 inch.