From 0.3-wire high-temperature wire to the 0.5-wire thick white high-temperature wire, the 50W heater can withstand higher temperatures as high as 340-350C.Upgrade HT-NTC100K thermistor: The diameter of the head cylinder is 3 mm and the length is 15 mm. It can be used with a heating module that supports thermocouples.Working temperature: -50C ~ +350C, can replace the K-type thermistor, suitable for printing high temperature filaments.Three 24V 50W upgrade heaters and three HT-NTC100K temperature sensors. (The heater is not suitable for cr10 cr10s 3d printer)size:Length: about 1mMaterial:metalcolour:WhitePackage Contents:3 x 24V 50W upgraded heater3 x HT-NTC100K temp sensorOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.