Crafted for durability and precision, the Vise Grip Petersen 18R Adjustable Locking C Clamp is an essential tool for welders and DIY enthusiasts alike. This 18-inch locking pliers is designed to provide a secure grip and consistent pressure, ensuring a reliable weld every time. The robust construction is backed by a made-in-USA pedigree, underscoring both its quality and craftsmanship. With a single unit included in this listing, the 4-pack offer is an excellent addition to any toolkit. The tool's unique design features the iconic Vise Grip brand, known for its longevity and performance. It's a versatile and powerful piece that fits into a variety of settings and projects, adhering to the high standards of the California Prop 65 warning guidelines.