Item Type: Dual Gear Extruder Product Material: Stainless Steel + Plastic Suitable Consumables: For PLA, ABS, PETG, TPU, nylon, carbon fibre, wood. Reduction Ratio: 3:1 (recommended pulse: 393.9). Adaptation Machine: Suitable for most DIY 3D printed parts, for Creality 3D CR10, for Ender series, for wanhao D9, for Anet E10, for GEEETECH and other high performance upgrade parts for 3D printers. Package List 1 x Dual Gear Extruder 1 x Motor Fixing Bracket 1 x Accessory Kit 1Dual Gear Drive: Adopting dual great drive extrusion, no need to worry about consumables slipping and biting. 2Easy Adjustment: The extruder mechanism can adjust the feeding force through screws, very simple and useful. 3Higher Accuracy: 3 to 1 reduction ratio ensures higher accuracy and better printing effect with efficiency. 4Practical Using: Suitable various filaments, including PLA, ABS, PETG, TPU, nylon, carbon fibre, woo, etc. 5Easy to Install: Compatible with a variety of 3D printers, for for Ender series, for wanhao D9 and so on.