Optimized Performance: Ensure your 3D printer operates smoothly with our high-quality X-axis, Y-axis, and Z-axis synchronous belts. Designed specifically for Kobra 3 S1 models, this kit provides the precision and durability needed for optimal printing results. Durable Construction: Made with premium rubber materials, these timing belts resist stretching and ensure long-lasting performance, reducing the need for frequent replacements and maintenance. Easy Installation: This kit includes all components necessary for a straightforward setup. Detailed instructions are provided to guide you through the installation process, making it suitable for both beginners and experienced users. Color: As shown in picture Material: Rubber Note: Due to different production batches, there may be slight variations in product appearance and printed text, which do not affect functionality. Package Contents: 1 x X-axis synchronous belt 1 x Y-axis synchronous belt 1 x Z-axis synchronous belt Note: Light reflection and differences in display screens may cause the color of the item in the image to vary slightly from the actual product. Measurement error allowance is +/- 1-3 cm.