| Model or Name | Products | |
| YS-AA |  |
Self Centering High Transmissible Torque |
| YS-CC |  |
For Connection Of Coaxial Shafts |
| YS-EE |  |
Self Centering High Transmissible Torque |
| Model or Name | Products | |
| YS-BB |  |
Non Self Centering Small Radial Dimensions |
| YS-DD |  |
Non Self Centering Medium-High Torque |