Prevent slipping and improve air flow around a computer case with non-slip rubber feet Made from a non-slip rubber compound Self adhesive backing This pack of 4 rubber feet (1-1/4in diam.) feature is great to have on hand for new system builds and upgrades, providing the necessary traction to cases and devices that require stationary placement. The StarTech.com Advantage A self adhesive backing allows for quick and effective mounting to almost any surface Made from a rubber compound that provides great traction on almost any solid surface top Additional Model #'s 225-RUBBERFEET RUBBERFEET UPC: 065030783989