Morelli Stainless steel (CrNi) Laboratory coil resists corrosion and retains its shape and form under extreme conditions. The coils are available in a variety of sizes and shapes and are ideal for use in laboratories. Long-term use that will withstand the test of time. Morelli's CrNi stainless steel wires provide customers with high rigidity, corrosion resistance, and stability. These wires have unique tensile strength and can withstand complex bends without breaking, ensuring consistent performance for orthodontic treatments.