![Same vise grips posted earlier only forged PETERSEN, now known as IRWIN. These are 50+ years old. I've used them at least 20 times. : r/Tools Same vise grips posted earlier only forged PETERSEN, now known as IRWIN. These are 50+ years old. I've used them at least 20 times. : r/Tools](https://i.redd.it/rlt0kcf9rm261.jpg)
Same vise grips posted earlier only forged PETERSEN, now known as IRWIN. These are 50+ years old. I've used them at least 20 times. : r/Tools
IRWIN Tools - We're celebrating William Petersen this #NationalInventorsDay, creator of the iconic #OriginalVISEGRIP. Patented in 1924, his invention is still considered crucial by trade workers around the world. | Facebook
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Vintage Petersen Dewitt # 9R Vise-Grip Locking Welding Clamp Pliers Ma - tools - by owner - craigslist
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