"The Northern Industrial Tools 4in. Light-Duty Swivel Caster features a dual brake that stops wheel rotation with an easy foot motion. Recommended for hand-pushed operation. Bearing Type Double ball raceway, Caster Type Swivel w/brake, Casters qty. 1, Finish Type Zinc plated, Foot Brake Dual-action, Bolt Hole Spacing 3 x 2 3/16, Capacity lbs. 155, Top Plate Dimensions L x W in. 4 x 2 5/16, Wheel Diameter in. 4, Wheel Type Rubber/steel core, Wheel Width in. 1 13/16, Mount Height in. 4 3/4, Overall Height in. 4 3/4. Double ball raceway provides smooth swivel action Thread guards on wheel offer additional safety Zinc plated finish 4in. dia. x 1 13/16in.W wheel has rubber tread on a steel core for easy rolling and 155-lb. load capacity"
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