... 2.Model:RV030,Ratio:7.5-100 NMRV030 Ratio 1:7.5-1:100 Aluminium Double Extension Worm Shaft with Flange Output ... : ISO9001:2008(9) Every product must be tested before sendingSpecifiction: Type:Worm Gear Speed ReducerModel:NMRV030Ratio:7.5,10,15,20 ... " BearingSeal:NAK Seal from TAIWANWarranty:1 yearInput Power:0.06kw,0.09kw,0.12kw,0.18kw,0.25kw,0.37kw,0.55KW,0.75kwUsages:In industrial machine: Food stuff ...