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 improvedheat dissipation over traditional hot ends.This hot end includes a V6 Style .4mm Copper Plated nozzle, a silicone sock, tools and everything you need EXCEPTfor 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) OR direct mount (e.g. Voron) which can be achieved by removing the groove mount adapter, the BMS is for a direct mount (e.g. Voron) and does NOT come with a groove mount adapter, please checkyour printer before making a purchase!