Lubrication Proof Non Stretchable Steel Belts can withstand sustained exposure to extremes of temperature, hostile environments and vacuum. These Non Stretchable Steel Belts are made of quality grade spring steel with a high modulus of elasticity to make them non stretchable. These Non Stretchable Steel Belts discharge static electricity and can transmit energy in the form of heat, cold and electricity. Lubrication Proof Non Stretchable Steel Belts is featured with smooth edges and tightly tolerance dimension.