536407 Shepherd Hdwe. Prod., Llc. 9260 4, Blue, Elastic Rubber Swivel Plate Caster, 265 LB Load Capacity, General Duty Caster, A Superior Elastic Soft Rubber Wheel That Allows For Easier Rolling Over Obstacles Provides Important Noise Reduction Where Required, Non-Marking Abrasion Resistant Extremely Durable, Bulk.