Features: Enhances your 3D printing with our rigid coupler, crafted from aluminum for superior corrosion resistance and structural stability. This coupler ensures effective power transmission, minimizing errors caused by deformation during motion. Suitable for 3D printing enthusiasts and professional improved print accuracy and machine reliability. Perfect for use in home workshops or professional setting, this coupler supports integration into various 3D printer models. Enjoy reduced vibrations and noise during printing, thanks to its construction, enhancing both the quality of your 3D prints. Specifications: Component:Aluminium Type:1Pc/2Pcs/4Pcs Size:Approx.20x20x25mm/0.78x0.78x0.98inch Package Includes: 2 Optional Package: Package 1 Include:1Pc Rigid Shafts Coupler Package 2 Include:2Pcs Rigid Shafts Coupler Package 3 Include:3Pcs Rigid Shafts Coupler note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.