Jaw Coupling Insert, Coupling Size JC12, JS12, MJC19, MJS19, Outside Diameter 3/4 in, System of Measurement Inch, Maximum Speed 8, 000 RPM, Horsepower @ 100 RPM 0.0476 hp, Spider Material Polyurethane, Maximum Torque 15 in-lb, Parallel Misalignment 0.003 in, Durometer Hardness 98A, Axial Motion 0.02 in, Angular Misalignment 0.8 Degrees, Color Red, Compatible Hub Manufacturer Part Number JC12, JS12, MJC19, MJS19, Deform Torque 30 lb-in, Fail Safe Yes. This item has been restricted from sale in the following state (s): []