Material: metal Total length: 35 cm / 89 mm Nozzle diameter: 0.4 mm Included nozzle configurations (all 0.4 mm): - 3D printer nozzle for extruder - 0.4 mm nozzle for J-head (heater is 12 V, 40 W) - 0.4 mm nozzle for extruder designed for high temperature materials up to 260 C with integrated thermistor 100k - 3D printer nozzle for 1.75 mm filament (extruder 0.4 mm nozzle) Key features and performance: - High temperature capability: suitable for printing materials up to 260 C with built-in 100k thermistor for accurate temperature sensing - Durable construction: metal nozzles provide solid wear resistance for reliable long-term use - Compatibility: designed for 1.75 mm filament printers and compatible extruder and J-head configurations - Precise extrusion: 0.4 mm nozzle size offers a balance of detail and print speed for a wide range of projects Use scenarios: - Upgrading or replacing worn nozzles on extruder or J-head setups to maintain print quality - Printing high-temperature materials such as polycarbonate or nylon that require stable, high-temperature operation - Using 1.75 mm filament with a 0.4 mm nozzle for general-purpose parts, prototypes, and detailed prints This set maintains the specified specifications and functions across the included nozzle types and configurations.