Irwin Vise Grip 23 Locking Sheet Metal ToolCategory: New IskinFlat, smooth nose plates make it easier to bend, form and crimp sheet metal. Easy-lock, easy-release handle trigger allows you to get the job done quicker. Adjustment screw enables precise sizing and, when the task calls for it, gradual tension releases. Contoured body provides a familiar in-hand feel. High-grade, heat-treated tool steel ensures superior strength and long-lasting durability. Tool type: Locking pliers; application: building maintenance; construction; pipe-fitting; plumbing; welding; applicable material: Aluminum; brass; bronze; copper; iron; nickel; PVC; steel; zinc; jaw material: Steel.