It is an ASIC chip grinding tool that grinds the aging layer and solder on the back of the ASIC chip to make it smoother for re-tinning and thermal paste. Makes a flat ASIC surface for better heat dissipation. ASIC chip grinding tools are also called miniature handheld high-speed electric grinders, equipped with grinding wheels. Divided into DC power supply type (with cable) and lithium battery rechargeable type (wireless), which can be selected by contacting the salesperson before purchase, (default delivery DC power supply type (with cable))

How to replace the grinding head:

1: Press and hold the axis lock button

2: Rotate counterclockwise

3: Replace the grinding head

4: Fastness test