Urethane Casters Sets- 700 Pound Capacity (Per Set).  
 
 
 

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  • Ball Bearings in Wheel Axle and Vertical Axis.
  • Locks Both Axis.
  • Quiet Soft Urethane Wheel Won't Mark Floors.
  • All four Casters Swivel for Easy Steering.
  • 700 Pound Capacity (Per Set).