Listing is for One NEW IN BOX BONFIGLIOLI #(C 05 2 P 27.1 S05 B3/M 05B 4 230/460-60) Series C .25HP Helical In-line  Gearbox with a 27:1 Gear Ratio. 5/8" keyed output shaft (Frame size 05). Please see photos and specifics for more specs, and if anyone has any questions regarding this item please feel free to message us. God Bless and Thank you for looking at our item.