Help make moving wire shelving easy with the caster kit for use with Alera® wire shelving. Constructed with a snap-ring around stem that makes for an easy attachment. The 360-degree rotation wheels provide easy mobility for maneuvering the shelving in and out of spaces and around corners. Lock the casters when at rest for added stability. Using casters may reduce load capacity for the shelving unit. Caster Quantity: 4; Caster/Glide/Wheel: Caster; Caster/Wheel Size: 5 ; Color: Black; Color Family: Black; For Use With: Alera® Wire Shelving Units; Stem Type: Grip Ring Stem; Weight Capacity (text): 2 400 lb (600 lb Per Caster); Wheel Tread: Hard; Wheel Type: (2) Locking Hooded Single-Wheel Swivel Caster; (2) Nonlocking Hooded Single-Wheel Swivel Caster Compliance Standards: Meets or Exceeds ANSI/BIFMA Standards. Warranty: Manufacturer s limited five-year warranty. Post-Consumer Recycled Content Percent: 0%. Pre-Consumer Recycled Content Percent: 0%.