Feature:1. Compatible Models: 3D printer heatsink is suitable for FDM 3D projects. Fit for Crealiity Ender3 S1, for Ender3 S1 Pro, for Ender3 S1 Plus, for CR10 Smart Pro, for Sermoon V1, for Sermoon V1 Pro.2. Precise Replacement: This heatsink serves as a precise replacement for original heat sink, effectively reducing the hotend temperature during 3D printing. It is easy to install and provides a perfect solution for enhancing the performance of your printer during hot runs.3. Includes Additional Hardware: This set comes with two small hexagonal screws (flathead screws) for fastening the heating element, making it convenient for replacement purposes.4. Efficient Heat Dissipation: The specially designed heatsink provides optimal heat dissipation. The precise position of the internal hex screw holes ensures secure installation.5. Aluminum Construction: Made of aluminum, the large solid heatsink offers better heat transfer, faster cooling, and scratch resistant surface for prolonged usage. The heatsink is also resistant to bending, ensuring long lasting performance.Specification:Item Type: 3D Printer HeatsinkMaterial: AluminumCompatible Model: Fit for Sprite Extruder; Fit for Crealiity Ender-3 S1, for Ender-3 S1 Pro, for Ender-3 S1 Plus, for CR-10 Smart Pro, for Sermoon V1, for Sermoon V1 ProBut not suitable for E3 styles: for B1 SE Plus, for Neptune3 Plus or for Voxlabb printers..Package List:1 x 3D Printer Heatsink4 x Screws