new and Features: With dual drive technology, there is no need to worry about consumables slipping and biting material. Easy assembly and material feeding. BMG extruder can adjust the material feeding force with screws to adapt to all 3D printing consumables: PLA/ABS/PETG/TPU/TPE/nylon/carbon fiber, wood, etc. The internal structure of the extruder is stable and the design is exquisite. It will not twist and twist from the side of the extrusion wheel, avoiding blockage caused by winding inside the extruder. The BMG utilizes an internal gearing ratio of 3:1 together with precision cnc-machined hardened steel drive gears to give you a compact powerhouse for all your applications.Whether you require high resolution prints with small nozzles or high-flow prints with big nozzles the optimized gearing ratio combined with our industry leading drive gears provides unparalleled pushing power and lightning-fast retractions in a lightweight and compact package. Suitable for most DIY 3D printers, for ideal accessories or upgrade parts to replace the original worn or damaged. Specifications: Material: Stainless steel + plastic Adapted consumables: PLA/ABS/PA/PC/TPU/TPE/WOOD(1.75MM) Reduction ratio: 3:1 (recommended pulse: 393.9) Package Size: app.150x100x20mm/5.91x3.94x0.79in Color: Transparent Quantity: 1set Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x BMG Extruder Kit (other accessories demo in the picture is not included.)