Turn the BO motor shaft which is rectangular in shape into a circular
6mm shaft using this shaft adaptor. Most of the wheels and gears are
available in 6mm circular bore and can not be coupled directly with
cheap plastic gear BO motor, this shaft adaptor solves this problem and
allows it to connect to any accessory with 6mm bore size.
Available in Blue and Yellow color. Shipped in any of these color based on the availability at the time of order.