Blade Material
Blades are usually made of stainless steel, which is much less prone to rusting than normal steel.
Ceramic cutters are available; they are corrosion-free and stay sharper longer because of a higher resistance to wear than metal blades. They remain cool to the touch even with prolonged use, as they conduct less heat than metal blades. However, ceramic blades are brittle and easily broken, and more expensive to replace than metal blades.
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