Listing is for 1 case containing 50 casters.  These rollerblade style soft PVC tread chair wheels offer the smoothest ride of any chair caster.  The double ball bearing raceway stem design provide effortless 360 swivel action.  The 3" wheel with clear PVC tread and ball bearing axle offer a smooth quite rolling and help protect hard floor surfaces like hardwood, linoleum, concrete, chair mats, and low pile carpet. These casters replace all styles of casters with similar mounting stems.

SPECIFICATIONS

• Clear soft PU treads to help protect floor surfaces
• Caster axel: Ball bearing
• Caster stem type: Push fit grip ring stem with ball bearing pivot
• Stem length: 7/8"
• Stem diameter (thickness): 7/16"
• Wheel diameter: 2.5”
• Wheel core in black  color covered with clear PVC
  
• Caster finish: Zinc plated
• Overall height when attached to chair base: 3.25"