The integrated plug- in design makes the nozzle easier to replace. Simply press the buckle lightly to remove the nozzle. If the nozzle gets stuck, you can remove it at any time and clean it. The temperature of the nozzle does not 70- 80 degree centigrade to accidental burns. The safety design of its non- metallic antenna material makes you feel at ease when printing. Features - Color: Black. - Material: ABC. - Size: About 5* 2* 2/ 2* 0. 8* 0. 8 inch (* W* ). - Heating temperature: 160 °- 230 ° adjustable. - used for 1. 75mm ABS Filament. -: 12V 3A. - [Peace Of Mind]: The safe design of non- metallic aviation materials and professional workmanship make you feel at ease when printing. - [3D Printing Pen Replacement Nozzles]: Nozzles made of materials, suitable for replacing clogged or 3D printing pens, durable. - [Easy To Replace]: The integrated plug- in design makes the nozzle easier to replace. Simply press the buckle lightly to remove the nozzle. - [Professional Accessories]: 3D printing pen nozzle|print replacement for 1. 75mm ABS/ PLA filament pen core. - [Heating Temperature]: 160°- 230° adjustable, the temperature of the nozzle does not 70- 80 degree centigrade, lower working temperature to accidental burns. Package Including 1* 3D Printing Pen Nozzle Package list: 4 * 3D Printing Pen Nozzle Printer Head Part Replacement Integrated Inserted Design Easy Install Work for 1.75mm ABS/PLA