[Includes] 1 x S1 Genie Heating Block Kit - High Temperature Upgraded Version 300C, 2 thermistors. (When the printing temperature is to exceed 300, you need the silicone sock in advance). [Extra Thermistors] The package includes two extra 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] Made 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 holes and outer surface, which is more and stable for material extrusion. It can be applied to all types of filament materials including PLA/TPU//ABS, etc. The maximum working temperature is 500. Color: 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 +/- 1-3 cm.