Dual Shaft Reduction Motor 12V Worm Gear Motor Double Shaft M8 Thread, 1 2,3 3,4 13,61 6,M8 screw double shaft for long service life and high precision, Reduction Ratio 17 12 470 0,3 405 1 1 4 5,3 6,5, Reduction Ratio 31 12 260 0,3 226 1,1 1,5 3,5 10,42 6, Reduction Ratio 50 12 160 0,3 140 1,Wholesale Online,we make online shopping easy,Great quality,Fast Free Shipping,Buy online, …