Features: Brand new and high quality Lightweight Design:Weighing only 195g, it delivers smooth printing experience. Easier Filament Feeding:Upgraded switch lever frees your hands when feeding. Adjustable Tension:The screw tensioner enables better filament grip, adjustable to accommodate flexible filament.Efficient Heat Dissipation:Heatsink design optimized to improve heat dissipation, prevent heat creep and ensure longer lifespan of extruder. Improved Printing Precision & Speed:Dual gear extrusion with 770N of extrusion force to improve print speed and maximize precision. Perfect Compatibility:for numerous materials, ranging from PLA and ABS to TPU, Nylon and PETG. Specifications: Extrusion Method: Dual Gear Extrusion Nozzle Diameter:0.4 mm Maximum Printing Temperature:270℃ Weight:195g (including aluminum heater block) Maximum Extrusion Force:7.5kg (depending on filaments) Extrusion (based on the existing):600 mm³/min (depending on filaments) E-step:932/mm at 16 microstep (calibration recommended) Klipper Rotation Distance:3.433 Recommended Motor Current:800 mA Gear Ratio:7:1 Drive Gear Circumference:24.5 mm Filament Diameter and Tolerance:1.75 ± 0.05 mm Thermistor Type:NTC100K Heater Cartridge Power:40W Heater Cartridge Voltage:24V Not for standard NEMA14 motor Package Includes: 1 x H2 V2S Extruder note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.