Rolling Caster Kit Color Black Finish Black For Use With Racks Includes Caster Mounting Hardware Material Steel Product Type Caster Kit Rack Units Not Applicable Overall Load Capacity 550 lb Number of Ports 0 Resistance Properties Not Applicable Overall Depth 2 1/2 in Overall Height 2 7/8 in Overall Width 3 7/8 in Standards GOST RoHS Compliant Package Quantity 4