[inclouding]1 x S1 Genie Heating Block Kit - High Temperature Upgraded Version 300C,2 thermistors. (When the printing temperature is to exceed 300 , you need to the silicone sock in advance). [Extra Thermistors]The package includes two additional upgraded thermistors that can withstand long-term, high-temperature printing up to 300 , improving the stability and reliability of the molding process. [Bimetal Heatbreak Throat Tube]Crafted from a combination of TC4 titanium alloy and copper, this innovative design effectively reduces upward heat transfer (7 W/) while improving heat dissipation (400 W/) for stable, high-quality 3D printing. [Nickel Copper Plated Nozzle]It has inner hole and outer surface, which is more and stable for material extrusion. It can be applied to all kinds of filament materials including PLA/ TPU/ / ABS, etc. The maximum working temperature is 500. Colour:silver+red+black Material:copper + aluminum alloy Package Contents: 1 x S1 Genie Heating Block Kit 2 x thermistors Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.