Huco Oldham Coupling, Stainless Steel, Inch For use in parallel misalignment scenarios requiring zero backlash Stainless steel hubs for strength, durability, and corrosion resistance Flexible plastic torque disc for durability and low friction Torque disc slides between the two axes of the hubs to accommodate misalignment Operating temperatures range from -4 to 140 degrees F (-20 to 60 degrees C)