Genuine E3D V6 Heater BlocksE3D Heater Blocks act as a means to transfer the thermal energy from a Heater Cartridge through the nozzle/filament setup to the Thermal Sensor. V6 Aluminum Heater Block (Prusa Variant) A replacement aluminum V6 heater block, suitable for E3D cartridge-style Temperature Sensors. The V6 Heater Block is a core part of the E3D ecosystem as the standard heater block used in most of our HotEnds. Package Contents - Heater Block ONLY V6 Plated Copper Heater Block Looking for higher temperature performance? Upgrade your HotEnd with a Plated Copper V6 Heater Block, suitable for E3D cartridge-style temperature sensors. A Plated Copper V6 Heater Block allows you to reach temperatures exceeding 320°C (providing you use a PT100, PT1000 or thermocouple) unlocking the possibilities of printing high-temperature filaments such as Ultem and PEEK. Supplied with an M3 grub screw to secure a cartridge-style thermistor, PT100 or thermocouple, and an M3 dome head screw to clamp the heater cartridge. Package Contents - 1x V6 Plated Copper Heater Block, 1x M3 Grub Screw, 1x M3 Dome Head Screw