Product Description Specification Type Worm Gearbox/Worm Gear Speed Reducer Model NMRV:571,030,040,050,063,075,090,110,130,150 Center distance 25-150mm Ratio 5,7.5,10,15,20,25,30,40,50,60,80,100 Torque 1.8-1800Nm Motor 2…