We Offers Flexible Gear Coupling Which are Used to Connect Motor to Fly Wheel and Fly Wheel to Reduction Gear and Reduction Gear to Pinion Stand with Various Range Size G-1 to G- 20. the Coupling is Triple Crowned Double Engagement Type. Max Torque 152000kgm Hex Bolt are Hardened and Ground to Fit Reamed Hole of Coupling. if Intersted Feel Free to Contact.