4-Inch Blue Elastic Swivel Plate Caster

4", Blue, Elastic Rubber, Swivel Plate Caster, 132 Lb Capacity, Non-Marking Tread, Superior Elastic Soft Rubber Wheel That Allows For Easier Rolling Over Obstacles & Provides Important Noise Reduction Where Required, Abrasion Resistant & Extremely Durable, Metal Thread Guards, Bulk.