Flexible coupling

Flexible couplings for connecting the motor shaft and the other shaft .To learn more, please see the example. More tutorials please visit http://www.makeblock.com/ Our community: www.makeblock.com https://www.facebook.com/Makeblock?ref=br_tf https://twitter.com/Makeblock https://www.youtube.com/channel/UC8Du3ES62iGgeckG4W9jC9w