... coupling,NRV - with input shaft,NMRV-E motor flanged coupling with worm extension shaft,NRV-E with double extension worm shaft,Available ... (L) Single unit reduction ratio 1:5 7.5 10 15 20 25 30 40 50 60 80 100 Output torque ... Information,Package,1 pc / carton,several cartons / wooden pallet NMRV-E Extension Transmission Worm Reducer