Rack Solutions Heavy Duty Caster Kit for 24in (W) 151DC Data Center RackThe Rack Solutions Heavy Duty Caster Kit is engineered to transform a standard 24 inch wide, four post data center rack into a highly mobile, easy to position enclosure without sacrificing stability or safety. Specifically designed for racks like the 151DC Data Center Rack, this caster kit enables you to move a fully populated cabinetup to 3000 lbswithout the physical strain and downtime typically associated with repositioning heavy IT infrastructure.