This 7 mm dimple forming pliers is very easy to use. Just place the dimple at the point you need it and press firmly. Make decorative shapes on soft metal or use to make scalloped edges.High quality manufactured and durable. Recommended for soft metals 24 gauge or lighter (consider annealing metal before using). Made from stainless steel, box joint construction, and dual leaf spring and PVC grips. Overall length 7"