Features: Upgrades your 3D printer with this durability metal extruder housing featuring precise engineered ABS+metal construction for enhances longevity and stable filaments feeding. double gear direct drive mechanism ensures smooth, highly speed extrusion without filaments damage while maintaining compatibility for TPU, PETG, ABS, and specialty filaments. Ideal for makers, engineers, and educators requiring reliable extrusion performances in demanding 3D printing applications across workshops and prototyping lab. Perfect for extended printing, complex geometries, and high temp materials where consistent extrusion prevents clogs and layer inconsistencies. Easy installation preserves motor wiring simply replace the extrusion module via rear panel access without disassembling entire assemblies. Specifications: Component:ABS+Metal Extruder Size:Approx.50x38mm/1.97x1.5inch Motor Size:Approx.50.5x36mm/1.99x1.42inch Option Type:Extruder with Motor,Extruder without Motor, for K1C/K1Max 3D Printer; Package Includes: 1pc Metal Extruder note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.