Brand New 3 pack Anycubic Kobra 3 Combo Hotend with Heatbreak Nozzle Thermistor Throat Heater Block for Anycubic Kobra3 Print Head Hot End Suitable for Kobra 3/3 combo printer, quick-release structure is more convenient to replace, no need to tighten screws. Nozzle: with Hardened steel nozzle / with Brass nozzle Heating Block: Aluminum alloy Throat: Titanium alloy + copper Silicone Sleeve: silicone Heating rod: 24V 50W Terminal: XH2.54 Thermistor: NTC100k PH2.0 Features 1.Hotend quick-release structure, easy to replace 2. Bimetallic throat, better thermal isolation effect 3. Hard steel nozzle is wear-resistant, brass nozzle is better in thermal conductivity