Aluminum Spacer M5 Round Aluminum Standoff Rods For RC Multirotors
Aluminum Spacers available in various, popular lengths and available in packs of 100, for your convenience.
"We use one length of these versatile spacers to create a space between the Stepper Motor and the Motor Mounting Plate. This allows for room to mount hardware such as Flexible Couplings and Timing Pulleys to the motor shaft."