Good Alternative: The 3D Printer Extruder Gear is mainly used to replace the original extruder gear. This can increase the running speed of the printer and bring you a better experience. Adjustable Design: Our extruder gear has an adjustable design, you can adjust it freely according to the characteristics of the extruder, so that the gear matches the extruder to avoid damage. Easy to Carry: These 3D Printer Extruder Gears can be placed in any handbag or backpack, making it easy for you to carry. Durable Material: These extruder gears are made of high-quality plastic and high-hardness 303 stainless steel, which has fine workmanship, smooth surface, good corrosion resistance and rust resistance. Package Includes: You will get 2 pieces black 3D printer extruder gears, they can be used to replace the worn parts, enough to meet your needs. Used for: titan extruder Material: plastic and stainless steel Number of gears: 66 Teeth size: 0.5 Color: Black Quantity delivered: 2 pieces becomeveryrich