Compatible with for Bambu Lab P1P, P1S, X1C 3D printers. CNC nanocoated technology for increased precision and wear resistance. Easy installation process for a quick upgrade. Improves print quality and reliability. Upgrade your 3D printer today and achieve professional-grade results with ease. Product name:TZ-Full metal hardened steel gold DLC helical gear kit Compatible models:For P1P, P1S, X1C, printer Due to different batches, there may be differences in product appearance and printed text, which will not affect use. Colour:Silver & Yellow Material:Metal + Brass + Hardened Steel Package Contents: 1 * DLC Nanocoated Extrusion Head Gear Kit Only 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.