BM1744AB chip tinning tool for ASIC chip replacement and tinning for Antminer Z11 hash board. Tin-plated tools are made of electric and high-temperature resistant composite materials, which are strong, durable, and have a long service life. In the process of replacing the chip, it can effectively prevent the generation of charge and protect the chip. The steel mesh is made of high-quality materials, with precise positioning, high-temperature resistance, and no deformation.