This thermal grease template is specially used to modify the S17+ air-cooled upgrade heat sink to help the S17+ upgrade heat sink to evenly apply thermal grease and improve the coverage of thermal grease. It is one of the essential kits for refitting the S17+ upgrade heat sink. By putting the upgrade heat sink into the template, evenly brushing the heat conduction silicone grease, and then covering the heat sink with the grease brushed on the hash board, you can use this template to Improve the success rate of installing and upgrading radiators and reduce maintenance costs.