APC AR8471 rack accessory Castor wheels

APC AR8471. Type: Castor wheels, Product color: Black, Certification: REACH. Width: 2.8" (71 mm), Depth: 3.58" (91 mm), Height: 2.52" (64 mm). Package width: 5.98" (152 mm), Package depth: 8.58" (218 mm), Package height: 3.39" (86 mm)