Flender gearbox 1.Housing:Aluminium Alloy 2.Long service life,competitive price 3.NMRV25 to 90,Ratio:7.5 to 100 4.OEM NMRV+NMRV Series Aluminium Worm Reduction Flender Gearbox Specifiction: Type:Worm Gear Speed ReducerModel:NMRV025-090Ratio:1:7.5,10,15,20,25,30,40,50,60,80,100Color:Blue/Silver Or On Customer RequestMaterial:Housing: Die-Cast Aluminum AlloyWorm Gear-Copper-10-3#Worm-20CrMn Ti with ...