64:1 96:1 144:1 216:1 Planetary Reducer 130mm Planet Gearbox Hole output for 130 Stepper Motor Nema 52Packing: 1pcs/lot Note: This 130mm gap output planetary reducer with ratio 64:1 96:1 144:1 216:1 is for Nema52 stepper motor.We also have series of 57mm, 60mm, 80mm, 86mm, 110mm ... Right angle planet reducer for purchasers .This link is for ratio of Stage three (speed ratio 64:1 96:1 144:1 216:1), if want Stage 1 or Stage 2 , test other hyperlinks in shop or contact us.Low noiseSpeed adjustableLong existence characteristicsHigh torqueThe specification of 130mm Geared Planetary gearbox:Gear ratio 64:1 96:1 144:1 216:1 belong to Stage-3:The measurement of 130mm planetary gearbox:We have different models of planetary reducers for customers, you could find what you would like in our store.