Take control of your day with the versatility and performance of 180mm Flange Planetary Reducer Step-down Gearbox 35mm input Ratio 4 to1 5 to1 6 to1 16 to 1 for 3KW 4KW 5.5KW Servo Motor. Smart, efficient, and built to last — an essential in any collection. Browse and buy online at Keser.pl — trusted products at great prices.