Feature: 1. Enhanced Cooling Efficiency: Experience excellent cooling performance with our metal heat sink, designed specifically for K1, K1 Maximum, and for K1C extruder. Prevent motor overheating for smoother prints. 2. Easy Installation, No Tools Required: Simplify your setup with easy installation. Just place the heat sink over the 36mm motor, press down, for efficient cooling instantly. 3. Aluminum Construction: Crafted from sturdy aluminum alloy, this heat sink withstands the rigors of continuous 3D printing. Enjoy dependable thermal management and a long lasting solution for your motor. 4. Versatile Compatibility: This compact heat sink not only fits the 36mm motor of for K1 series 3D printers but also works seamlessly with various extruders equipped with similar motors, enhancing usability. 5. Lightweight and Portable Design: Weighing little yet structurally sound, our heat sink adds minimal weight to your print head, ensuring easy transportation and user friendliness without compromising performance. Specification: Item Type: Stepper Motor Aluminum Heat Sink Material: Aluminum Alloy Application: for K1 K1C K1 Maximum Extruder . Package List: 2 x Aluminum Heat Sink