This is a standard replacement operation kit for the Antminer S17 hash board upgrade heat sinks. The kit contains remove tin steel mesh, thermal paste stencil, hash board frame, 7*7 screw tin tool and tin scraper. With these tools, you can easily and conveniently complete the standard operating procedure of the Refit heat sink, reduce the operation difficulty of replacing the all-in-one heat sink, improve the success rate, make the Antminer S17  ASIC miner obtain more stable performance, and improve the mining efficiency and profitability.