Model: Creality Ender 3 S1
Dual-Gear Direct Drive Extruder: Compatible with more filaments, Ender 3 S1 3d printer can print PLA, TPU, PETG, ABS.etc. It is more lighter and features less inertia and more precise positioning. Upgraded dual-gear direct extruder features two chrome steel gears that are engaged at a 1:3.5 gear ratio. With a pushing force of up to 80N, the extruder realizes smooth feeding and discharging of flaments without slipping and works extremely well in printing flexible flaments such as TPU.