Reducer can be positive and reverse operation. From speed: 18.240 rpm. Out speed: 18~240 RPM. Shape of Square box, high quality aluminum alloy housing, e legante appearance. Reduction ratio: 1/5, 1/7,5, 1/10, 1/15, 1/20, 1/25, 1/30, 1/40, 1/50,1/60,1/80.
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