Compatible with P1P, P1S, and 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 to achieve professional-grade results with ease. Product name: Full Metal Hardened Helical Gear Kit Compatible models: P1P, P1S, X1C Due to different batches, there may be differences in product appearance and printed text, which do not affect functionality. Color: Silver & Yellow Material: Metal, Brass, Hardened Steel Package Contents: 1 x Nanocoated Extrusion Head Gear Kit Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the actual product. Measurement may vary by 1-3 cm.