California Proposition 65: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. Motion Control Coupling, Angular Misalignment 0.5 Degrees, Axial Motion 0.006 in, Coupling Size OD21, OD33, Outside Diameter 1 5/16 in, Over-Standard Parallel Misalignment 0.131 in, Parallel Misalignment 0.008 in, Break Torque 350 in-lb, Disc Material Acetal, Maximum Torque 70 in-lb, Torsional Stiffness 111.1 in-lb/Deg, System of Measurement Inch, Maximum Speed 4, 500 RPM, For Hub Diameter 1 21/64 in, Application Applications With High Parallel Misalignment (Up to 10 Percent of the Coupling OD)