...7mm Round Gaming Mouse Skates Fire Retardant PTFE Smooth Surface 9448A Incomparable glide-Compatibel with all computer mice. The characteristic of PTFE mouse skates is withstanding high temperature, abrasion-resistant as well. Widely used under mouse so as to make it move smoother and easier, and where temperature is high. In some case, UPE is used to reduced cost otherwise, can take the place of PTFE. All kinds of mouse skates...