15 cm - 6" universal carbon nickel-plated scissors for thread cutting. It is ideal for cutting sewing machine threads, having an ergonomic handle that helps you move quickly. The scissors are made of AISI 420 stainless steel, which offers high resistance to corrosion and an optimal cutting capacity and resistance. The scissors are assembled with a screw that allows adjustment and possible disassembly for professional sharpening. The blades are hardened with chemical heat treatment to a hardness of 52-26 HRC, to guarantee good resistance and flexibility of the blades.