OOD!
Price: $2.75

This Coupling helps you install the wheels to motors as below:

There are 4 kinds of these couplings with inside hole diameter: 3mm/4mm/5mm/6mm, please select as your requirments.

Features

  • Material:Copper
  • Length: 18mm
  • With a 3*6 and a 4*8 Screw