Advantage: Remarkably Lightweight & Better Heat Disppisation:Lightweight as low as 175g.A better airflow dissipates heat better, too. High Flow:45mm/s to meet the fast printing needs. Looks Good. Does Good:Hollow-out design, enjoy the beauty of driving.Labor-Saving Lever:Easy to control the in and out of filaments. Quick Detach Heat Break:Remove the heat break with a hex key, easier and more convenient. Feeding & Adjustable Tension:7:1 ratio, 7.5kg maximum extrusion force, smoother feeding. Adjustable filament loading tension to better suit flexible filament.Parameters: Extrusion : Extrusion. Maximum Printing Temperature: 270(upgradable to 500.) Weight: 175g (including Heater Cartridge, Thermistor, and Fan.) Maximum Extrusion Force: 7.5kg (depending on the filaments.)Extrusion (based on the existing): 2700mm/min(depending on the filaments.) E-step: 932/mm at 16 microstep (Further calibration is recommended.)Color: Black+Silver. material: metalRotation distance: 3.433Recommended Motor Current: 800mA Ratio: 7:1Drive Circumference: 24.5mmFilament Diameter and Tolerance: 1.75 0.05mmThermistor Type: NTC100K Dimensions(including the fan): 72.1 x 37.9 x 80.6mmThread of Nozzle/Heat Break: Nozzle Diameter: 0.6mmFilament Support:ABS,HIPS,PLA,PET,PVA,TPUCompatible 3D Printers:B1,BX,Ender3,Voron2.4,Voron V0,VzbotNote: Not compatible with standard NEMA14 motor.Heater Cartridge Specifications:Head Size: 6 x 20mmVoltage: 24V: 70WFan Specifications:Size:35 x 35 x 10mmCable:150mmVoltage:24VSpeed:900010%Terminal Model:XH2.54Motor Specifications:Rated Voltage:DC 3.45VRated Current:DC 1.5A/phasePhase:2Winding DC Resistance (25):2.3X (110%)Winding Inductance:2.0X (120%) mHHolding Torque:110mNmPositioning Torque:7mNmREFInsulation Resistance:100M (DC 500V)Insulation Level:Class BMoment of Inertia:8gcmMaximum Operating Temperature:Fan: 50Motor: 130Heater Break: H2 bi-metal (copper alloy + grade5 titanium alloy), 500 compatibility.Bearing: 100Note: it is the maximum working temperature of a single part, not of the whole system.Package Contents:1 x Extruder1 set of accessoriesOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.