This is a great little hot end from Phaetus and features an all-metal design of mostly copper alloy with great heat conductivity. This hot end is capable of printing a wide-variety of materials such as PLA, PETG, Nylon, PC, PEEK etc. Dragonfly's heat break and heatsink feature a conical connection that allows for improved heat dissipation over traditional hot ends. This hot end includes a V6 Style .4mm Copper Plated nozzle, a silicone sock, tools and everything you need EXCEPT for a heater cartridge and thermistor. If you need those for you application please search our store. Please note: The BMO version is for a groove mount (e.g. Prusa), the BMS is for a direct mount (e.g. Voron), please check your printer before making a purchase!