Description: 【Fitment】: The hotend mounting block kit is for Vyper E/Kobra. 【Material】: The 3d printer hotend mounting block kit is made of premium aluminum alloy material, wear resistant and durable, has good performance. 【Features】: The strain gauge sensor is professionally manufactured,fix hot end, automatic leveling, need to match the original model motherboard. 【Replacement 】: Directly replaces your worn, cracked, broken and unusable hotend mounting block. 【Attention】: When installing the mounting block, the screws should not be tightened too tightly, just tighten properly without shaking, otherwise it will cause additional on the mounting block to affect the induction plate, thereby affecting the performance of the leveling switch. Size Chart: Product Size 3.4cmx2.8cm/1.34inchx1.10inch Cable Length 6cm/2.36inch   Package Includes: 1 Hotend Mounting Block 4 Screws Note: Please allow slightly errors due to manual measurement and different monitors.