Superglide - Fastest and Smoothest Mouse Feet/Skates Made with Ultra Strong Flawless Glass Super Fast Smooth and Durable Sole for Pulsar X2 & X2 Mini Wireless Gaming Mouse (Red)Super fast super smooth mouse skate made with aluminosilicate glass gives you a big advantage of micro aiming and tracking. Super durable super strong tempered glass will not wear fast like conventional PTFE feet, you can almost use it permanently. Round edge flawlessly polished super smooth round edge will provide you smoothest glide ever. eSports Grade Superglide is perfect for pro eSports grade accuracy. Do not recommend use with glass mouse pads.