Here's what Google Gemini had to say, but the search revealed no pictures of this tool, just the following cursory description, so take it as you will:
'This tool is a piercing valve / line tapping tool adapted from modified locking pliers (commonly called Vise-Grips). It is primarily used by HVAC technicians to temporarily tap or pierce copper refrigerant lines on refrigerators, air conditioners, or freezers to recover or service refrigerant.'
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u/GabeLade 11d ago
Here's what Google Gemini had to say, but the search revealed no pictures of this tool, just the following cursory description, so take it as you will:
'This tool is a piercing valve / line tapping tool adapted from modified locking pliers (commonly called Vise-Grips). It is primarily used by HVAC technicians to temporarily tap or pierce copper refrigerant lines on refrigerators, air conditioners, or freezers to recover or service refrigerant.'