Fits: A Good hotend replacement or accessory for DIY Prus i3 MK3/MK3S/MK3S+ 3D Printer or other machines with E3 V6 Remote Extruder. Not fit for Mk2(MK2 uses 12V). High Quality: Semi-assembled hotend adopts copper- titanum alloy all-metal throat, can be applied to high temperature filament printing; the quality CNC heating block with good thermal conductivity and high precision. Kit includes: A semi-assembled part( V6 All metal heatsink+ throat+ High quality brass nozzle+ Aluminum V6 Heater Block) x high temperature protective silicone cover x 24v 40w cartridge heater x specific 104nt thermistor x extra V6 stainless steel throat Heater Thermistor: 24v 40W cartridge Heater is made of 304 stainless steel material,Diameter: 6mm ; Length: 15mm, Conveniently pre-wired with 1 meter long high temperature resistant wire; specific 104nt thermistor with cable 1meter long, Temperature measurement head cylinder diameter 3mm, length 12mm, can be used with the heating block th