1、HRC 60+ ,more wear-resistant 2、Big gears, driving force 15KG 3、Ultra-high hardness HV3300 *Switching and assembling of remote and short range printing to meet different printing requirements *Applicable filament required: PLA/PETG/TPU/ABS/PEEK/nylon, etc. This HGX-LITE-extruder is mainly suitable for CR-10 / CR-10S / Ender-3 / Ender-3 V2 series models. Other models can be designed by themselves according to the size and installation holes.