ITEM NAME:2X(All Metal J Style Head Hotend Full Kit With 5 Pcs Extruder Print Head + J3U1) 2X(All Metal J Style Head Hotend Full Kit With 5 Pcs Extruder Print Head + J3U1) 2X((Hotend Extruder Set) - V6 Hotend 12v / 40w / 1.75mm / 0.4mm Extruder Complete Set (V6 Printhead + Fan + Fan Cover + PTFE Tube + Hose Fitting), 5pcs Extruder Brass Nozzle Printhead (1x0.2mm / 1x0.3mm / 2x0.4mm / 1x0.5mm), 5er stainless steel nozzle neck and M4 Hex driver. (Heat-resistant) - 12V / 40W heating, the temperature can reach up to 280 ° C, and 12V high-speed fan with cover, NTC 3950 prewired thermistor. (Compatibility) - RepRap 3D Printer Extruder Hotend compatible with all E3D V6 1.75mm / 0.4mm 3D Printer. (High quality material) -with PTFE inner coating, which is well suited for ABS, PLA and other conventional printing materials. Nozzle and hose connect seamlessly, preventing material from leaking and blocking. (Easy to install) - No glue, no welding NTC connector with terminal for easier installation and maintenance. This article is practical 3D nozzle, It is suitable for J-head 1.75mm 3D printer extruder. Length: 22.5mm Type: nozzle neck External thread: M6 M7 Nozzle neck outer diameter: 6mm Nozzle throat inner diameter: 4mm Teflon tube inner diameter: 2mm Filament diameter: 1.75mm Danger: Keep small parts away from children. If the thermistor is not pointing properly, you can loosen the screw once. Color: Photo Color Material: Aluminum alloy + plastic Package Contents: 1 * V6 nozzle extruder 1 * 12V high speed fan with sheathing 1 * One meter long PTFE / Teflon hose 1 * PC4-01 pipe fitting 1 * 0.2mm nozzle print head 1 * 0.3mm nozzle print head 1 * M4 Hex driver 1 * 0.5mm nozzle print head 2 * 0.4mm nozzle print head 5 * 1.75mm stainless steel nozzles neck)