Usage Tips:Upgrade your 3D printing experience with our premium pulley set, designed specifically for Kobra series. This set includes pulleys for Kobra 2 Pro, for Kobra 2 Plus, for Kobra 2 Max, and for Kobra 3 models, ensuring a perfect fit and optimal performance.Enhanced Precision: Crafted for smooth and precise movements in 3D printing.Durable Construction: Made with materials for prolonged use.Easy Installation: Simple setup allows for quick and hassle-free replacement.Ensure your 3D printer operates at its best with this essential upgrade, tailored to enhance stability and precision.Due to different batches, there may be differences in product appearance and printed text, which will not affect useColour:BlackMaterial:Bearing steelPackage Contents:10pcs 3D Printers PulleyOnly 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.