4pc Caster Kit for 4POSTRACK

4pc Caster Kit for StarTech.com 4POSTRACK. If you prefer mobility for your 4POSTRACKBK open rack solution, pick up the StarTech.com 4POSTCASTER. This set of four casters connects to the bottom of your 4POSTRACKBK and allows you to move and adjust the position of your rack to suit your needs.