Brass Z-axis coupler: prevents radial misalignment of Creality printers

Compatible Models: Compatible with 8mm worm gears, M3 mounting holes, and 18mm center-to-center distance, such as the Ender 3, Ender 3 Pro, Ender 3 V2, Ender 3 S1/Pro, CR-10, CR-10S, CR10 S4, S5, etc. High Strength: Offers high torsional rigidity to protect driven components and support bearings. Suitable for significant radial misalignment, compact, low moment of inertia, easy to install and remove. Package Contents: 2 Oldham Z-axis couplings, 8 screws, 4 nuts, 1 Allen key