We are offering hrc jaw couplings.Higher power transmission and misalignment capacity.nitrile rubber elastomeric inserts to withstand temperatures from -40c to 100c.range of 8 sizes with power rating from 0.33 kw to 33 kw at 100 rpm. Hrc plug-in-flywheel couplings plug in design for advantages of blind fitting.directly fits standard flywheels of ic engines.standardised on kirloskar, cummins, leyland, ruston & perkins engines.