Features: Upgrades for Lab X1C/P1 Series 3D printer with all metal extruder gears featuring DLC coated hardened steel for enhanceds longevitys and wear resistance. The 5 spokes hollows steel gears minimizes vibration, while the machined 6061 aluminum arm ensures precise alignment and performances. for maker and professionals using abrasive CF/GF composite filaments or demanding high torques extrusion systems in industrial or hobbyist 3D printing. Perfect for high precisions printing projects requiring consistent filaments feeding, such as functional prototypes, engineering models, or detailed artistic creations. For Lab P1P, P1S, X1C, and X1 Carbon printers, optimized for ABS, PETG, PC, and fiber reinforced filaments without modifications. Specifications: Materials: All metal hardened steel, DLC gold gears assembly gears diameter: 3cm Sales attribute: golden Package Includes: 1Set Extruder gears Assembly note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.