Features: Quick Disassembly & Easy Replacement: When the nozzle is cooled, just unscrew the old nozzle by hand and screw the new nozzle in its place, so that the user can resume printing work in a short time; Lightweight & Wide Compatibility: H2 V2S Revo combines the advantages of H2 and E3D- Rapidchange Revo, 198g lightweight design, smaller inertia-, more accurate positioning, higher- printing accuracy Widely Compatible with-BIQU-B1, BIQU-BX, Ender-3, Voron2.4, Voron V0, Vzbot 3d printer, etc. Dual-Gear Feeding&Adjustable Filament-Loading Sensor: H2 V2S Revo features a dual-gear system to provide an exceptional pushing force, ensuring smooth feeding and giving snappy- retractions.Simply rotate the tension screw to accommodate different filaments, improve the printing success rate, improve the printing performance of flexible filaments, Compatible with-most filaments on the market, such as:ABS/PLA-/PVA-/HIPS/PET/ PET etc. 7:1 Gear Ratio; 7.5kg Maximum Extrusion Force. Efficient Heat Dissipation & More Mounting Holes: The lightweight and wear-resistant aluminum-alloy housing, high thermal conductivity heat sinks, and fan realize a better heat dissipation.4 screw mounting holes are available for installing an auto leveling sensor/cooling fan, which can achieve more- functions Specifications: Item: for BIGTREETECH H2 V2S Revo Extruder Direct Drive Model：H2 V2S Revo Material: Aluminum-Alloy for for BX Ender3 Series, Voron2.4, Voron V0, Vzbot 3D Printers Package Includes: 1PC for BIGTREETECH H2 V2S Revo Extruder Direct Drive note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 1cm errors due to manual measurement.