The Heavy Duty 5 1/2 Concave Nail Nipper is made especially to easily and precisely trim thick, difficult, or ingrown nails. With its strengthened construction and concave-shaped blades for a natural trimming curve, it guarantees strong cutting action with little effort. Made from premium surgical stainless steel for long-lasting strength, corrosion resistance, and sharpness, this nipper is perfect for both podiatric and general use.