Feature: 1. Designed for 3D Printer: This extruder hotend fixing module is suitable for Vyper E, for Kobra 3D printer extruder hotend. 2. Auto Leveling: This hotend auto leveling module contributes to fixing the hotend and auto leveling. 3. Durable Material: This extruder auto leveling module is made of premium metal and PVC material, which is sturdy and durable. 4. High Stability: When this extruder hotend mount is installed, the screw should not be tightened too tightly. Otherwise, the mounting block will generate additional stress, which will affect the sensor chip, thus affecting the performance of the leveling switch. 5. Warm Tips: After the installation is complete, the Z axis shall be lifted first when the machine is turned on. Gently touch the nozzle with tweezers or other tools continuously and observe whether the indicator light of the integrated motherboard connected with the induction piece will light up when the nozzle is touched. The indicator light of the induction mounting block is normally off when it is not triggered. Specification: Item Type: Extruder Hotend Fixing Module Material: Metal, PVC Function: Fixing Hotend, Auto Leveling (Should Be Used with Original Motherboard) Application: Suitable for Vyper E, for Kobra 3D Printer. Package List: 1 x Extruder Hotend Fixing Module4 x Screw