These Gear Couplings are distinquished by their mechanical flexibility and compensation of Angular,Parallel and Axial misalignmentsof the connected shafts.They are made for extensive use in metal rolling mills, Papermachinery, Cranes, Dredgers, Rubber and Plastic Industries, Cement Plants,Conveyors and elevators,Compressors,Fans and Blowers,Sirens and other general industries.Flexible Gear Couplings basically consists of teo hubs,with crowned external teeth and two outer sleeves with internal spur teeth.