some wear and rust from use over the years. Working condition The product is a vintage Petersen Dewitt No 7 Vice Grip, featuring the Petersen brand. It is a mechanics tool categorized under Collectibles and Tools, Hardware & Locks. The item is a Vice Grip tool, manufactured by Petersen, with a specific model number of No 7. The listing encourages potential buyers to view the pictures for more details about the product’s condition and features.