Material: metal; color: as shown; size: with shaft total length 70mm, with tie rod total length 86mm, width 40mm. box size: 40*40*56mm, shaft length 60mm; input and output shaft diameter 5mm; reduction ratio: 1/2 and 1/11; speed ratio: forward 26/59, reverse 19/14/59, the whole gearbox is made of metal, with reverse gear, neutral The gearbox is made of metal, with reverse, neutral and forward gears. Clutch principle, lever control, pinion input and large gear output, the length of the two sides of the extension can be self-adjusted, the input end can be self-determined, without brake. This gearbox needs to be used with the clutch, for DIY conversion of oil-operated model cars. Packing: bagged; Packing list: gearbox *1