Alera SW790004 3 Wheel 2 Locking Casters for Wire Shelving (4/Set) New
Model SW790004. (4/Set) 3 Wheel 2 Locking Optional Grip Ring Stem Casters for Wire Shelving - Black - SW790004. Alera 3 Wheel 2 Locking Optional Grip Ring Stem Casters for Wire Shelving - Black (4/Set).