Worm Mechanical NRV030-VS Worm Reducer, 5:1-80:1 Double Extension Shaft 9mm 90 Degree, Worm Gearbox Speed Reducer Gearbox Stepper (Size : Ratio 30 to 1)

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Worm Mechanical NRV030-VS Worm Reducer, 5:1-80:1 Double Extension Shaft 9mm 90 Degree, Worm Gearbox Speed Reducer Gearbox Stepper (Size : Ratio 30 to 1)