Antminer S21Pro thermal paste grease mold is used to help the S21 pro miner hashboard ASIC chip to be evenly and quickly coated with thermal grease. The mold fits the ASIC chip hole accurately, and with the matching scraper, it can ensure that the thermal grease is evenly applied on the ASIC chip, achieving efficient heat dissipation of the chip, thereby maximizing the service life and performance of the S21pro miner.