Optional Casters for Wire Shelving, Hooded Design with Integrated Bumpers, Grip Ring Stem, 5" Wheel, Black, 4/Set (2 Locking) Snap-ring around stem for easy attachment. Helps make moving wire shelving easy. Compatible with Alera® wire shelving racks, sold separately. Wheels may be locked for stability. Using casters may reduce load capacity for the shelving unit.
