• Designed not to melt under heavy braking situations but will melt if the hub overheats which will alert driver of hub problems • If Hexchex melts, the nonstick material is removed easily without damaging your wheels or lug nuts • Easy to use and no tools are needed for the application • Fits around any shaped nut including 8 or 10 sided custom nuts • Hexchex are made of durable polymer and are chemical resistant