StarTech.com Open-Frame Server Rack Casters allow you to adjust the position of your cabinet to suit your needs. It comes in a set of four. These adjustable casters attach to the bottom of the StarTech.com's 42U Adjustable 4-Post Open Server Equipment Rack for easy movement.
Product Height -- 3.25 in (82.5 mm) Carton Quantity -- 10 Shipping (Package) Weight -- 4.04 lb (1.83 kg) Warranty -- Lifetime warranty