TWO TREES® Drivegear kit dual drive gear extruder kit Cloned Btech upgrade for extruder for Prusa i3 3d printer gear Bow

The two trees has always been concerned about product quality we are developing products and working hard to improve the quality it is believed that only high quality products can ensure the quality of your work and bring safety to your work Please believe in our quality and believe that you will not regret when you receive the goods Packing list 1 Superior quality pulley WITHOUT the lock screw X 1 Hardened steel It is more durable and durable The biting teeth are very sharp and not easy to slip 2 Superior quality pulley with the lock scre X 1 Hardened steel It is more durable and durable The biting teeth are very sharp and not easy to slip 3 Pulley shaft X 14 Pulley bearings X 2PS In a long period of use There may be a drop in color But this does not affect the sharpness of the gear