Feature: 1. [Applicable Model] Specifically designed for Ender 3V3 SE model, this extruder heating block comes pre assembled for easy replacement, minimizing downtime. 2. [Excellent Parts] Our extruder heater block is equipped with titanium alloy red copper throat tube and hardened steel nozzle, ensuring longevity and performance. 3. [Precise Thermistor] With high precise thermistor, the print head heater block can detect temperatures up to 260℃, helping maintain consistent print quality. 4. [High Speed Printing] The heater block supports a maximum print speed of 250mm/s and an acceleration of 2500mm/s² for high speed, reliable 3D printing. 5. [Versatile Filament Compatibility] The heater block supports PLA, ABS, PETG, TPU, PP, PC, Nylon, and other high temperature filaments, enhancing print performance. Specification: Item Type: Extruder Heater Block Material: Titanium Alloy, Hardened Steel Nozzle Size: Approx. 0.4mm / 0.02in Heating Rod: 24V 40W Thermistor: 260℃ Size: Approx. 90 x 23 x 35.8mm / 3.54 x 0.91 x 1.41in. Package List: 1 x Extruder Heater Block