The integrated inserted design make this nozzle easier to be replaced. You could just press the buckle lightly and the nozzle will be disassembled. If the nozzle is jammed, you could remove and clean it at any time with easy access. The temperature of the nozzle could reach no more than 70-80 degree centigrade, which could prevent you from scald in accident. Its safety design with non-metal aerial material makes you feel relieved during your printing time. Features - Color: Black. - Material: ABC. - Size: Approx. 5 * 2 * 2 cm/ 2 * 0.8 * 0.8 inch (L*W*H). - Only used for 1.75mm ABS Filament. - Heating temperature: 160 ° -230 ° adjustable. - Power: 12V 3A. - for durable and long-time use. - Characteristic design with pleasant color and brightness - Safety design with non-metal aerial material makes you feel relieved during your printing time - Integrated inserted design make this nozzle easier to be replaced. You could just press the buckle lightly and the nozzle will be disassembled - Lower working temperature prevent you from scald in accident - Note: Please check your original 3D printer pen before ordering. Please make sure about the data and its appearance are the same. Then it will meet your needs Package list: 3 * 3D Printing Pen Nozzle Printer Head Part Replacement Integrated Inserted Design Easy Install Work for 1.75mm ABS/PLA