Features:
Made of brass for less friction and plenty of strength. CNC machining controls the gap junction location.
Using this coupling for the Z axis, the screws of the 3D printer will reduce the print quality problems caused.
Small size, easy to install and disassemble, adapt to large radial deviation.
Low moment of inertia, it protects driven parts and support bearings.
Has high torsional rigidity. Good surface finish and longer service life.

Specification:
Material: Brass
Size: as picture shown
Color: yellow
Process: turning and milling

Package Includes: 1pc

Notes:
Please allow small errors due to manual measurements.
Different monitors may display slightly different colors.