Package: 4pcs 5*8mm Flexible Shaft Coupling, the inner bore of one end is 5mm, and the order end is 8mm, fit for DIY 3D printer 42 stepper motor.
Made of high quality aluminum alloy material, bright color, smooth surface, simple structure, buffer, damping.
Used to connect servo motor, stepper motor, encoder, screw driving, machine, etc. to eliminate stress when the shafts are not fully aligned.
Come with a hex wrench, 4pcs screw fasteners for fixing, easy to install, convenient to disconnect.
Commonly used for shaft that drives motion, widely used in DIY models, such as RC models, cars or ships, etc., as a connector for different parts.