Optimized Performance: Ensure your 3D printer operates smoothly with our high-quality X-axis and Y-axis Z-axis synchronous belts. Designed specifically for the Kobra 3 S1 models, this kit provides the precision and durability needed for optimal printing results.Durable Construction: Made with premium materials, these timing belts resist stretching and ensure long-lasting performance, reducing the need for frequent replacements and maintenance.Easy Installation: This kit includes everything you need for a hassle-free setup. Detailed instructions are provided to guide you through the installation process, making it suitable for both beginners and experienced users.Colour:As ShownMaterial:rubberDue to different batches, there may be differences in product appearance and printed text, which will not affect usePackage Contents:1 * X-axis synchronous belt1 * Y-axis synchronous belt1 * Z-axis synchronous beltOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.