Welcome to our store! 1. COMPATIBILITY: This 3D printer hotend is only compatible with Anycub Vyper Kobra Plus and Kobra Max 3D printers. 2. UNIFORM HEATING: The 3D printer hotend uses a special nozzle design that allows the print head to heat evenly. 3. PLUG AND PLAY: The thermistor and heater have a plug at the end; simply connect and use. 4. HIGH-PRECISION PRINT HEAD: The metal hotend kit uses a high-precision brass print head for more uniform printing and better print results. 5. EASY TO INSTALL: The 3D printer hotend replacement is easy to install without wiring or stripping. Item Type: 3D Printer Extruder and Hotend Kit. Material: Metal. Application: For Anycubi, Kobra Plus Max, and Vyper. 1 x 3D Printer Extruder and Hotend Kit. Customers are our priority. If you encounter any problems with your product after receiving it, such as damage or an incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.